docs: fix link to live-preview example and remove empty placeholder (#10380)

Author: bratvanov

docs/live-preview/overview.mdx

@@ -157,8 +157,6 @@ The following options are available for each breakpoint:
 
 _* An asterisk denotes that a property is required._
 
-{/* IMAGE OF TOOLBAR HERE */}
-
 The "Responsive" option is always available in the drop-down and requires no additional configuration. This is the default breakpoint that will be used on initial load. This option styles the iframe with a width and height of `100%` so that it fills the screen at its maximum size and automatically resizes as the window changes size.
 
 You may also explicitly resize the Live Preview by using the corresponding inputs in the toolbar. This will temporarily override the breakpoint selection to "Custom" until a predefined breakpoint is selected once again.
@@ -167,4 +165,4 @@ If you prefer to freely resize the Live Preview without the use of breakpoints,
 
 ## Example
 
-For a working demonstration of this, check out the official [Live Preview Example](https://github.com/payloadcms/payload/tree/main/examples/live-preview/payload).
+For a working demonstration of this, check out the official [Live Preview Example](https://github.com/payloadcms/payload/tree/main/examples/live-preview).