Remove TODOs for RuboCop check rule Style/HashTransformation

What does this MR do?

Since all remaining offenses has been fixed successfully we no longer need to track them in .rubocop_manual_todo.yml.

Closes #322739 (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 it's a developer-facing change.
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content