[Backport 2.17] Integrate translog cleanup with snapshot deletion and fix primary term deletion logic

[opensearch-trigger-bot]

Backport 7b0846e from #15657.

[github-actions]

❕ Gradle check result for 1f86366: UNSTABLE

Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Attention: Patch coverage is 40.62500% with 76 lines in your changes missing coverage. Please review.

Project coverage is 71.61%. Comparing base (7f08d68) to head (1f86366).
Report is 4 commits behind head on 2.17.

Files with missing lines	Patch %	Lines
...index/translog/RemoteFsTimestampAwareTranslog.java	40.00%	44 Missing and 1 partial ⚠️
...ch/repositories/blobstore/BlobStoreRepository.java	0.00%	19 Missing ⚠️
...ex/translog/transfer/TranslogTransferMetadata.java	67.85%	6 Missing and 3 partials ⚠️
...dex/translog/transfer/TranslogTransferManager.java	50.00%	1 Missing and 1 partial ⚠️
...ndex/store/RemoteSegmentStoreDirectoryFactory.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               2.17   #15750      +/-   ##
============================================
- Coverage     71.69%   71.61%   -0.09%     
+ Complexity    64418    64393      -25     
============================================
  Files          5263     5263              
  Lines        301305   301416     +111     
  Branches      43861    43874      +13     
============================================
- Hits         216029   215847     -182     
- Misses        67242    67567     +325     
+ Partials      18034    18002      -32     

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