Correct check-mode support declaration

[arth-simon]

Description

After the changes, the code indicates which module supports check_mode and which does not, like demonstrated in the following Ansible Documentation: https://docs.ansible.com/ansible/latest/dev_guide/developing_program_flow_modules.html#declaring-check-mode-support

Issues Resolved

None

Check List

• New functionality includes sanity testing.
  • All sanity tests pass. ($ ansible-test sanity).
  • All unit tests pass.
• New functionality has been documented in the README if applicable.
  • New functionality has been thoroughly documented in the examples (please include helpful comments).

Review in progress

[alisha-k-kalladassery]

I think more changes are required to support the check_mode functionality. Also we would need few example tasks to execute and check the same.

[akshith-gunasheelan]

[alisha-k-kalladassery]

Changes looks fine as the scope of the PR is check-mode support declaration and not implementation.