[Backport 2.10] Remove custom-codecs plugin

[andrross]

Backports #9944 to 2.10

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)

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[andrross]

Creating in parallel with #9944 as we're waiting on this to generate a release candidate. Please do not merge until #9944 is approved and merged.

[github-actions]

Compatibility status:

Checks if related components are compatible with change 0ada79a

Incompatible components

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/performance-analyzer.git, https://github.com/opensearch-project/performance-analyzer-rca.git]

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/25207/
• CommitID: 0ada79a

[codecov]

Codecov Report

Merging #9947 (0ada79a) into 2.10 (dcb43c8) will increase coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               2.10    #9947      +/-   ##
============================================
+ Coverage     70.80%   70.82%   +0.02%     
  Complexity    58210    58210              
============================================
  Files          4817     4807      -10     
  Lines        275314   275056     -258     
  Branches      40456    40430      -26     
============================================
- Hits         194928   194819     -109     
+ Misses        63734    63588     -146     
+ Partials      16652    16649       -3     

see 438 files with indirect coverage changes