## Summary of the Pull Request
Edits the definition file to distinguish further between the rolling build (the one that happens in master as it's updated) and the PR builds (that happen on every push to a pull request to master.) We will build less in PR since it rolls so often by removing the lines that reveal very few to no bugs at PR time. We'll leave them on in rolling so stuff can still be caught.
## PR Checklist
* [x] Closes a desire to not waste builds.
* [x] I work here.
* [ ] We'll see if the build still works.
* [x] No specific docs.
* [x] I talked about this with @DHowett-MSFT already.
## Validation Steps Performed
* [x] This PR itself should validate that the definition still works in PRs. I think we have to wait for it to go to master to see if the trigger still works there.
* Attempt to remove all test and utility projects from audit mode (and turn it back on) to see if that keeps it within the disk space boundaries.
* drop x86 and arm configs for the test projects too.
* split code format check into its own job
* Update build/pipelines/templates/check-formatting.yml
Co-Authored-By: Dustin L. Howett (MSFT) <duhowett@microsoft.com>
* fix result check
