Revert "Customize PR instructions based on files modified"

[roslynwythe]

Reverts hackforla/website#6685

• See #6778

[github-actions[bot]]

Want to review this pull request? Take a look at this documentation for a step by step guide!

From your project repository, check out a new branch and test the changes.

git checkout -b hackforla-revert-6685-custom-pr-instructions-5182 gh-pages
git pull https://github.com/hackforla/website.git revert-6685-custom-pr-instructions-5182

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Note that CONTRIBUTING.md cannot previewed locally; rather it should be previewed at this URL:

https://github.com/hackforla/website/blob/revert-6685-custom-pr-instructions-5182/CONTRIBUTING.md  

[roslynwythe]

• Thank you @tony1ee for noting the error and creating a detailed ER #6778. We really appreciate your contributions!