chore(fab): code cleanup for fab plugin removal

[ciiay]

Description

Please explain the changes you made here.

Which issue(s) does this PR fix

• Fixes HIDP-14645

This is a follow-up pr for #4920

PR acceptance criteria

Please make sure that the following steps are complete:

• GitHub Actions are completed and successful
• Unit Tests are updated and passing
• E2E Tests are updated and passing
• Documentation is updated if necessary (requirement for new features)
• Add a screenshot if the change is UX/UI related

How to test changes / Special notes to the reviewer

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 54.77%. Comparing base (65bcea6) to head (ab89d07).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5010      +/-   ##
==========================================
- Coverage   55.39%   54.77%   -0.62%     
==========================================
  Files         122      110      -12     
  Lines        2365     2147     -218     
  Branches      539      537       -2     
==========================================
- Hits         1310     1176     -134     
+ Misses       1049      969      -80     
+ Partials        6        2       -4     

Flag	Coverage Δ
rhdh	54.77% <ø> (-0.62%)	⬇️

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[github-actions]

Image was built and published successfully. It is available at:

• quay.io/rhdh-community/rhdh:pr-5010
• quay.io/rhdh-community/rhdh:pr-5010-ab89d070

[its-mitesh-kumar]

/lgtm

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[openshift-ci]

@ciiay: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-ocp-helm	ab89d07	link	unknown	/test e2e-ocp-helm

Full PR test history. Your PR dashboard.

Details

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