Remove ci_register_job_temporary_lock feature [RUN ALL RSPEC] [RUN AS-IF-FOSS]

What does this MR do?

After extensive testing we noticed that temporary lock was not effective as anticipated.

Ref.:

• #323327 (closed)
• #292047 (closed)
• #323180 (closed)

Does this MR meet the acceptance criteria?

Conformity

• 📋 Does this MR need a changelog?
  • I have included a changelog entry.
  • I have not included a changelog entry because removal of temporary feature.
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content