Delete `example-prjs` directory
Delete example-prjs
directory as I don't believe we use it for anything.
Type of change
-
Other (Specify): cleanup
Checklist
-
I have read the guidelines for contributing. -
I have commented my code, particularly in hard-to-understand areas. -
I have made corresponding changes to the documentation. -
My changes generate no new warnings. -
I have added tests that prove my fix is effective or that my feature works.