[release-1.10] chore(e2e): remove bulk import migrated plugin tests and CI infrastructure

[teknaS47]

Description

Removed bulk-import tests from RHDH. Follow up to this PR #4975

Which issue(s) does this PR fix

• Fixes RHIDP-14965

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

[github-actions]

The container image build workflow finished with status: cancelled.

[sanketpathak]

/lgtm

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.60%. Comparing base (472d656) to head (21e3732).
⚠️ Report is 1 commits behind head on release-1.10.

Additional details and impacted files

@@                Coverage Diff                @@
##           release-1.10    #4976       +/-   ##
=================================================
+ Coverage         41.03%   69.60%   +28.57%     
=================================================
  Files               121      111       -10     
  Lines              2220     4702     +2482     
  Branches            563      512       -51     
=================================================
+ Hits                911     3273     +2362     
- Misses             1303     1429      +126     
+ Partials              6        0        -6     

Flag	Coverage Δ
install-dynamic-plugins	92.44% <ø> (?)
rhdh	38.81% <ø> (-2.23%)	⬇️

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[HusneShabbir]

/lgtm

[github-actions]

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

• quay.io/rhdh-community/rhdh:pr-4976
• quay.io/rhdh-community/rhdh:pr-4976-21e3732b

[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