Cleanup unused code in org.opensearch.common

[adnapibar]

Description

These are unused internal code in the org.opensearch.common package.

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

Signed-off-by: Rabi Panda adnapibar@gmail.com

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: null ❌
• FAILURES:

• URL: https://build.ci.opensearch.org/job/gradle-check/6982/
• CommitID: a816b2b
  Please examine the workflow log, locate, and copy-paste the failure below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: null ❌
• FAILURES:

• URL: https://build.ci.opensearch.org/job/gradle-check/6984/
• CommitID: a816b2b
  Please examine the workflow log, locate, and copy-paste the failure below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[dblock]

Rebase, these gradle failures should clean themselves up.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• FAILURES:

• URL: https://build.ci.opensearch.org/job/gradle-check/7014/
• CommitID: d6ccba7
  Please examine the workflow log, locate, and copy-paste the failure below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[dblock]

Execution failed for task ':distribution:bwc:staged:buildBwcLinuxTar'.
> Building 2.4.0 didn't generate expected file /var/jenkins/workspace/gradle-check/search/distribution/bwc/staged/build/bwc/checkout-2.4/distribution/archives/linux-tar/build/distributions/opensearch-min-2.4.0-SNAPSHOT-linux-x64.tar.gz

I think this is transient while we increment versions, but I could be wrong.

[reta]

Execution failed for task ':distribution:bwc:staged:buildBwcLinuxTar'.
> Building 2.4.0 didn't generate expected file /var/jenkins/workspace/gradle-check/search/distribution/bwc/staged/build/bwc/checkout-2.4/distribution/archives/linux-tar/build/distributions/opensearch-min-2.4.0-SNAPSHOT-linux-x64.tar.gz

I think this is transient while we increment versions, but I could be wrong.

I believe we need these two guys: #5269 and #5270

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/7024/
• CommitID: d6ccba7

[codecov-commenter]

Codecov Report

Merging #5288 (d6ccba7) into main (059b614) will decrease coverage by 0.10%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main    #5288      +/-   ##
============================================
- Coverage     71.02%   70.92%   -0.11%     
+ Complexity    58237    58108     -129     
============================================
  Files          4705     4704       -1     
  Lines        277480   277459      -21     
  Branches      40181    40178       -3     
============================================
- Hits         197082   196789     -293     
- Misses        64288    64583     +295     
+ Partials      16110    16087      -23     

Impacted Files	Coverage Δ
.../main/java/org/opensearch/OpenSearchException.java	93.58% <ø> (+1.24%)	⬆️
...r/src/main/java/org/opensearch/common/Classes.java	33.33% <ø> (ø)
...r/src/main/java/org/opensearch/common/Numbers.java	75.00% <ø> (ø)
...rg/opensearch/common/RandomBasedUUIDGenerator.java	52.63% <ø> (ø)
...r/src/main/java/org/opensearch/common/Strings.java	60.62% <ø> (+2.75%)	⬆️
...ver/src/main/java/org/opensearch/common/UUIDs.java	66.66% <ø> (ø)
...opensearch/index/mapper/MockFieldFilterPlugin.java	0.00% <0.00%> (-100.00%)	⬇️
...nsearch/rest/action/cat/RestCatRecoveryAction.java	43.61% <0.00%> (-42.56%)	⬇️
.../admin/cluster/reroute/ClusterRerouteResponse.java	60.00% <0.00%> (-40.00%)	⬇️
...luster/routing/allocation/RoutingExplanations.java	62.06% <0.00%> (-37.94%)	⬇️
... and 457 more

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