Remove invalid unreleased versions

[adnapibar]

Description

Versions.java contains 2.x versions that are not released (https://opensearch.org/lines/2x.html ). The only unreleased versions must be the last major, last minor and current release's patch.

Issues Resolved

N/A

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

[adnapibar]

Currently the BWC fails for V_2_2_2 as there is no artifact for this version. However, the test passes for V_2_0_2, V_2_1_1 and V_2_3_1 as there release-candidates available on the artifacts repository. Should we keep these as a separate category as release candidates?

[dblock]

I think if we don't plan to release them it's best to remove them.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/7116/
• CommitID: 0bfe1e7

[codecov-commenter]

Codecov Report

Merging #5312 (0bfe1e7) into main (7dc137f) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main    #5312      +/-   ##
============================================
- Coverage     71.03%   71.02%   -0.01%     
- Complexity    58129    58145      +16     
============================================
  Files          4704     4704              
  Lines        277266   277262       -4     
  Branches      40147    40147              
============================================
- Hits         196957   196930      -27     
- Misses        64129    64237     +108     
+ Partials      16180    16095      -85     

Impacted Files	Coverage Δ
server/src/main/java/org/opensearch/Version.java	78.53% <ø> (+1.02%)	⬆️
...adonly/AddIndexBlockClusterStateUpdateRequest.java	0.00% <0.00%> (-75.00%)	⬇️
...cluster/coordination/PendingClusterStateStats.java	20.00% <0.00%> (-48.00%)	⬇️
...opensearch/persistent/PersistentTasksExecutor.java	22.22% <0.00%> (-44.45%)	⬇️
...readonly/TransportVerifyShardIndexBlockAction.java	9.75% <0.00%> (-41.47%)	⬇️
...h/action/ingest/SimulateDocumentVerboseResult.java	60.71% <0.00%> (-39.29%)	⬇️
...indices/readonly/TransportAddIndexBlockAction.java	20.68% <0.00%> (-37.94%)	⬇️
...ensearch/client/indices/DetailAnalyzeResponse.java	20.54% <0.00%> (-34.25%)	⬇️
.../indices/readonly/AddIndexBlockRequestBuilder.java	0.00% <0.00%> (-33.34%)	⬇️
...min/cluster/snapshots/get/GetSnapshotsRequest.java	52.63% <0.00%> (-31.58%)	⬇️
... and 466 more

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[opensearch-trigger-bot]

The backport to 2.x failed:

The process '/usr/bin/git' failed with exit code 128

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add ../.worktrees/backport-2.x 2.x
# Navigate to the new working tree
pushd ../.worktrees/backport-2.x
# Create a new branch
git switch --create backport/backport-5312-to-2.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 69c88ea8a17bf197d94916058fa974e6e9b258af
# Push it to GitHub
git push --set-upstream origin backport/backport-5312-to-2.x
# Go back to the original working tree
popd
# Delete the working tree
git worktree remove ../.worktrees/backport-2.x

Then, create a pull request where the base branch is 2.x and the compare/head branch is backport/backport-5312-to-2.x.