Remove 9.1.0 release notes from 9.0.0

Author: brianseeders

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/release/BundleChangelogsTask.java

@@ -74,7 +74,7 @@ public BundleChangelogsTask(ObjectFactory objectFactory, ExecOperations execOper
     public void executeTask() throws IOException {
         final String upstreamRemote = gitWrapper.getUpstream();
 
-        String ref = "43827b943938345d348826f5766dd8e986ec7b20";
+        String ref = "9.0-fix-release-notes";
         try {
             checkoutChangelogs(gitWrapper, upstreamRemote, ref);
             Properties props = new Properties();
@@ -101,6 +101,7 @@ public void executeTask() throws IOException {
     private static void checkoutChangelogs(GitWrapper gitWrapper, String upstream, String ref) {
         gitWrapper.updateRemote(upstream);
         // TODO check for changes first
+        gitWrapper.runCommand("rm", "-rf", "docs/changelog");
         gitWrapper.runCommand("git", "checkout", ref, "--", "docs/changelog");
     }
 

docs/release-notes/breaking-changes.md

@@ -37,9 +37,6 @@ will prevent node from starting [#118366](https://github.com/elastic/elasticsear
 Cluster Coordination:
 * Remove unsupported legacy value for `discovery.type` [#112903](https://github.com/elastic/elasticsearch/pull/112903)
 
-Discovery-Plugins:
-* Upgrade `discovery-ec2` to AWS SDK v2 [#122062](https://github.com/elastic/elasticsearch/pull/122062)
-
 EQL:
 * Set allow_partial_search_results=true by default [#120267](https://github.com/elastic/elasticsearch/pull/120267)