Draft: Refactor to keep only spotbugs compatible projects

What does this MR do?

Since %15.6, Semgrep is the official analyzer for scanning java-related projects. This MR retains only Spotbugs-compatible language projects along with the following:

• Pull java-8-removal branch (we were temporarily referring to this branch instead of master since %14.10)
• Remove unsupported java-* projects
• Refer to the latest SAST artifact URL in the CI
• Rename modules to match Spotbugs fixtures

Relevant Issue Numbers

• Update the latest SAST Artifact URL across all ... (gitlab-org/gitlab#385518 - closed)