remove from generate_ci_workflows.py, add tags back in .github/templates
- get rid of a lot of stuff in generate_ci_workflows.py b/c its only used for binaries now
- get rid of generated-ciflow-ruleset.json b/c its super outdated
- add if statement for tags: in templates b/c it used to cause the tags to be put under branches
helps w/ #74478
Pull Request resolved: https://github.com/pytorch/pytorch/pull/75372
Approved by: https://github.com/seemethere
