Removes the repository-specific PR template in favor of the organization-wide PR template.
Checklist
[x] PR is limited to a single logical change.
[x] At least the first commit has a clear title and a descriptive message containing reasoning for the change. This will be included in the final commit message after squashing and merging.
Intent
Removes the repository-specific PR template in favor of the organization-wide PR template.
Checklist