ci: remove backpressure jobs

[NguyenHoangSon96]

Closes #

Proposed Changes

• Remove backpressure jobs.

Checklist

• CHANGELOG.md updated
• Rebased/mergeable
• A test has been added if appropriate
• mvn test completes successfully
• Commit messages are conventional
• Sign CLA (if not already signed)

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.71%. Comparing base (498354e) to head (0dca071).
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Additional details and impacted files

@@             Coverage Diff              @@
##             master     #928      +/-   ##
============================================
- Coverage     88.85%   88.71%   -0.14%     
+ Complexity      791      736      -55     
============================================
  Files           174      174              
  Lines          7285     7285              
  Branches        422      422              
============================================
- Hits           6473     6463      -10     
- Misses          680      688       +8     
- Partials        132      134       +2     

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[alespour]

Technically ok, but - why is this happening? And is a CHANGELOG entry necessary? Just asking.

[bednar]

Technically ok, but - why is this happening? And is a CHANGELOG entry necessary? Just asking.

The test is flaky and has never worked reliably. Let’s simplify the pipeline to keep the results green and easier to maintain.