Remove license scanning to fix broken master

What does this MR do and why?

This MR fixes master:broken since License Compliance template has been removed.

Also, an example from !79 (merged)

It has been deprecated for a while https://gitlab.com/gitlab-org/govern/threat-insights/gitlab/-/blob/master/doc/user/compliance/license_compliance/index.md

Additional context: https://gitlab.slack.com/archives/CKWHYU7U2/p1709861243544919 (Internal)

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.