Refine 8.10.3 release notes.

docs/static/releasenotes.asciidoc

@@ -49,35 +49,6 @@ This section summarizes the changes in the following releases:
 [[logstash-8-10-3]]
 === Logstash 8.10.3 Release Notes
 
----------- GENERATED CONTENT STARTS HERE ------------
-=== Logstash Pull Requests with label v8.10.3
-
-* Expanded the description how to size the memory of the JVM https://github.com/elastic/logstash/pull/15210[#15210]
-* Backport PR #15210 to 8.10: Expanded the description how to size the memory of the JVM https://github.com/elastic/logstash/pull/15350[#15350]
-
-=== Logstash Commits between 8.10 and 8.10.2
-
-Computed with "git log --pretty=format:'%h -%d %s (%cr) <%an>' --abbrev-commit --date=relative v8.10.2..8.10"
-
-63339bee9 - (HEAD -> 8.10, origin/8.10) bump lock file for 8.10 (#15385) (7 hours ago) <github-actions[bot]>
-a62cdce6a - bump lock file for 8.10 (#15376) (16 hours ago) <github-actions[bot]>
-69ea40cc9 - (origin/mashhur-patch-1) [backport 8.10] Expanded the description how to size the memory of the JVM (#15210) (#15350) (9 days ago) <github-actions[bot]>
-872f5a177 - Bump 8.10.3 (#15338) (2 weeks ago) <Andrea Selva>
-a0426a066 - Release notes for 8.10.2 (#15336) (2 weeks ago) <github-actions[bot]>
-f6d9a989f - bump lock file for 8.10 (#15334) (2 weeks ago) <github-actions[bot]>
-
-=== Logstash Plugin Release Changelogs ===
-Computed from "git diff v8.10.2..8.10 *.release"
-Changed plugin versions:
-logstash-filter-elasticsearch: 3.15.2 -> 3.15.3
-logstash-filter-useragent: 3.3.4 -> 3.3.5
-logstash-input-beats: 6.6.3 -> 6.6.4
-logstash-input-elastic_serverless_forwarder: 0.1.2 -> 0.1.3
-logstash-integration-aws: 7.1.5 -> 7.1.6
-logstash-integration-jdbc: 5.4.4 -> 5.4.5
-logstash-integration-kafka: 11.3.0 -> 11.3.1
----------- GENERATED CONTENT ENDS HERE ------------
-
 ==== Plugins
 
 *Elasticsearch Filter - 3.15.3*