refactor!: remove $x and waitForXpath (#11782)

docs/api/puppeteer.elementhandle.md

@@ -53,7 +53,6 @@ The constructor for this class is marked as internal. Third-party code should no
 | [$$(selector)](./puppeteer.elementhandle.__.md)                                              |           | Queries the current element for all elements matching the given selector.                                                                                                                                                                                                                                                     |
 | [$$eval(selector, pageFunction, args)](./puppeteer.elementhandle.__eval.md)                  |           | <p>Runs the given function on an array of elements matching the given selector in the current element.</p><p>If the given function returns a promise, then this method will wait till the promise resolves.</p>                                                                                                               |
 | [$eval(selector, pageFunction, args)](./puppeteer.elementhandle._eval.md)                    |           | <p>Runs the given function on the first element matching the given selector in the current element.</p><p>If the given function returns a promise, then this method will wait till the promise resolves.</p>                                                                                                                  |
-| [$x(expression)](./puppeteer.elementhandle._x.md)                                            |           |                                                                                                                                                                                                                                                                                                                               |
 | [autofill(data)](./puppeteer.elementhandle.autofill.md)                                      |           | If the element is a form input, you can use [ElementHandle.autofill()](./puppeteer.elementhandle.autofill.md) to test if the form is compatible with the browser's autofill implementation. Throws an error if the form cannot be autofilled.                                                                                 |
 | [boundingBox()](./puppeteer.elementhandle.boundingbox.md)                                    |           | This method returns the bounding box of the element (relative to the main frame), or <code>null</code> if the element is [not part of the layout](https://drafts.csswg.org/css-display-4/#box-generation) (example: <code>display: none</code>).                                                                              |
 | [boxModel()](./puppeteer.elementhandle.boxmodel.md)                                          |           | This method returns boxes of the element, or <code>null</code> if the element is [not part of the layout](https://drafts.csswg.org/css-display-4/#box-generation) (example: <code>display: none</code>).                                                                                                                      |
@@ -85,4 +84,3 @@ The constructor for this class is marked as internal. Third-party code should no
 | [type(text, options)](./puppeteer.elementhandle.type.md)                                     |           | <p>Focuses the element, and then sends a <code>keydown</code>, <code>keypress</code>/<code>input</code>, and <code>keyup</code> event for each character in the text.</p><p>To press a special key, like <code>Control</code> or <code>ArrowDown</code>, use [ElementHandle.press()](./puppeteer.elementhandle.press.md).</p> |
 | [uploadFile(this, paths)](./puppeteer.elementhandle.uploadfile.md)                           |           | Sets the value of an [input element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input) to the given file paths.                                                                                                                                                                                                |
 | [waitForSelector(selector, options)](./puppeteer.elementhandle.waitforselector.md)           |           | <p>Wait for an element matching the given selector to appear in the current element.</p><p>Unlike [Frame.waitForSelector()](./puppeteer.frame.waitforselector.md), this method does not work across navigations or if the element is detached from DOM.</p>                                                                   |
-| [waitForXPath(xpath, options)](./puppeteer.elementhandle.waitforxpath.md)                    |           |                                                                                                                                                                                                                                                                                                                               |

docs/api/puppeteer.frame.md

@@ -75,7 +75,6 @@ console.log(text);
 | [$$(selector)](./puppeteer.frame.__.md)                                              |           | Queries the frame for all elements matching the given selector.                                                                                                                                                                                                            |
 | [$$eval(selector, pageFunction, args)](./puppeteer.frame.__eval.md)                  |           | <p>Runs the given function on an array of elements matching the given selector in the frame.</p><p>If the given function returns a promise, then this method will wait till the promise resolves.</p>                                                                      |
 | [$eval(selector, pageFunction, args)](./puppeteer.frame._eval.md)                    |           | <p>Runs the given function on the first element matching the given selector in the frame.</p><p>If the given function returns a promise, then this method will wait till the promise resolves.</p>                                                                         |
-| [$x(expression)](./puppeteer.frame._x.md)                                            |           |                                                                                                                                                                                                                                                                            |
 | [addScriptTag(options)](./puppeteer.frame.addscripttag.md)                           |           | Adds a <code>&lt;script&gt;</code> tag into the page with the desired url or content.                                                                                                                                                                                      |
 | [addStyleTag(options)](./puppeteer.frame.addstyletag.md)                             |           | Adds a <code>HTMLStyleElement</code> into the frame with the desired URL                                                                                                                                                                                                   |
 | [addStyleTag(options)](./puppeteer.frame.addstyletag_1.md)                           |           | Adds a <code>HTMLLinkElement</code> into the frame with the desired URL                                                                                                                                                                                                    |
@@ -103,4 +102,3 @@ console.log(text);
 | [waitForFunction(pageFunction, options, args)](./puppeteer.frame.waitforfunction.md) |           |                                                                                                                                                                                                                                                                            |
 | [waitForNavigation(options)](./puppeteer.frame.waitfornavigation.md)                 |           | <p>Waits for the frame to navigate. It is useful for when you run code which will indirectly cause the frame to navigate.</p><p>Usage of the [History API](https://developer.mozilla.org/en-US/docs/Web/API/History_API) to change the URL is considered a navigation.</p> |
 | [waitForSelector(selector, options)](./puppeteer.frame.waitforselector.md)           |           | <p>Waits for an element matching the given selector to appear in the frame.</p><p>This method works across navigations.</p>                                                                                                                                                |
-| [waitForXPath(xpath, options)](./puppeteer.frame.waitforxpath.md)                    |           |                                                                                                                                                                                                                                                                            |