Remove redundant explanation and restructure

Some things will be re-added (and explained better) in the following commit.

docs/en/docs/contributing.md

@@ -255,7 +255,9 @@ Here are the steps to help with translations.
 
 #### Tips and guidelines
 
-* Check the currently <a href="https://github.com/tiangolo/fastapi/pulls" class="external-link" target="_blank">existing pull requests</a> for your language and add reviews requesting changes or approving them.
+* Check the currently <a href="https://github.com/tiangolo/fastapi/pulls" class="external-link" target="_blank">existing pull requests</a> for your language. You can filter the PRs by the ones with the label for your language. For example, for Spanish, the label is <a href="https://github.com/tiangolo/fastapi/pulls?q=is%3Aopen+sort%3Aupdated-desc+label%3Alang-es+label%3Aawaiting-review" class="external-link" target="_blank">`lang-es`</a>.
+
+* Add reviews requesting changes or approving them. For the languages I don't speak, I'll wait for several others to review the translation before merging.
 
 !!! tip
     You can <a href="https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/commenting-on-a-pull-request" class="external-link" target="_blank">add comments with change suggestions</a> to existing pull requests.
@@ -264,19 +266,9 @@ Here are the steps to help with translations.
 
 * Check if there's a <a href="https://github.com/tiangolo/fastapi/discussions/categories/translations" class="external-link" target="_blank">GitHub Discussion</a> to coordinate translations for your language. You can subscribe to it, and when there's a new pull request to review, an automatic comment will be added to the discussion.
 
-* Add a single pull request per page translated. That will make it much easier for others to review it.
-
-For the languages I don't speak, I'll wait for several others to review the translation before merging.
-
-* You can also check if there are translations for your language and add a review to them, that will help me know that the translation is correct and I can merge it.
-    * You could check in the <a href="https://github.com/tiangolo/fastapi/discussions/categories/translations" class="external-link" target="_blank">GitHub Discussions</a> for your language.
-    * Or you can filter the existing PRs by the ones with the label for your language, for example, for Spanish, the label is <a href="https://github.com/tiangolo/fastapi/pulls?q=is%3Aopen+sort%3Aupdated-desc+label%3Alang-es+label%3Aawaiting-review" class="external-link" target="_blank">`lang-es`</a>.
-
-* Use the same Python examples and only translate the text in the docs. You don't have to change anything for this to work.
-
-* Use the same images, file names, and links. You don't have to change anything for it to work.
+* If you translate a page, add a single pull request per page translated. That will make it much easier for others to review it.
 
-* To check the 2-letter code for the language you want to translate you can use the table <a href="https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes" class="external-link" target="_blank">List of ISO 639-1 codes</a>.
+* To check the 2-letter code for the language you want to translate, you can use the table <a href="https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes" class="external-link" target="_blank">List of ISO 639-1 codes</a>.
 
 #### Existing language