[Segment Replication] Remove codec name string match check for checkp…

[dreamer-89]

Manual backport of #7741 to 2.7

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.search.SearchWeightedRoutingIT.testStrictWeightedRoutingWithCustomString
      1 org.opensearch.indices.replication.SegmentReplicationIT.testUpdateOperations

• URL: https://build.ci.opensearch.org/job/gradle-check/16398/
• CommitID: 2423c37
  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

Merging #7786 (2423c37) into 2.7 (7d3e8c7) will increase coverage by 0.03%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                2.7    #7786      +/-   ##
============================================
+ Coverage     70.36%   70.39%   +0.03%     
+ Complexity    59787    59747      -40     
============================================
  Files          4847     4847              
  Lines        287164   287156       -8     
  Branches      41723    41721       -2     
============================================
+ Hits         202058   202147      +89     
+ Misses        68261    68088     -173     
- Partials      16845    16921      +76     

Impacted Files	Coverage Δ
...in/java/org/opensearch/index/shard/IndexShard.java	69.31% <ø> (-0.48%)	⬇️
...ndices/replication/OngoingSegmentReplications.java	92.77% <ø> (-0.34%)	⬇️

... and 488 files with indirect coverage changes