Update pull request template by removing edits

Removed placeholder text from the pull request template.

Author: JonDevOps

.github/PULL_REQUEST_TEMPLATE.md

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 <!-- Please follow this checklist and put an x in each of the boxes, like this: [x]. It will ensure that our team takes your pull request seriously. -->
 
 - [ ] I have read [w3Develops contribution guidelines](https://github.com/w3develops/w3Develops/blob/main/.github/CONTRIBUTING.md).