Revert "Update PR template to check internal documentation update (#7752)" (#7756)

This reverts commit fca5bdd.

Author: liliankasem

.github/pull_request_template.md

@@ -2,18 +2,16 @@
 
 ### Issue describing the changes in this PR
 
-Resolves #issue_for_this_pr
+resolves #issue_for_this_pr
 
 ### Pull request checklist
 
-* [ ] My changes **do not** require external documentation changes
-  * [ ] Otherwise: Documentation issue linked to PR
-* [ ] My changes **do not** require internal documentation changes
-  * [ ] Otherwise: Engineering hub documentation pull request or updated docs linked to PR
+* [ ] My changes **do not** require documentation changes
+    * [ ] Otherwise: Documentation issue linked to PR
 * [ ] My changes **should not** be added to the release notes for the next release
-  * [ ] Otherwise: I've added my notes to `release_notes.md`
+    * [ ] Otherwise: I've added my notes to `release_notes.md`
 * [ ] My changes **do not** need to be backported to a previous version
-  * [ ] Otherwise: Backport tracked by issue/PR #issue_or_pr
+    * [ ] Otherwise: Backport tracked by issue/PR #issue_or_pr
 * [ ] I have added all required tests (Unit tests, E2E tests)
 
 <!-- Optional: delete if not applicable  -->