Remove references to Gerrit or plugins v3.11 builds

Gerrit v3.11 is now EOL, therefore any reference to it
in the build scripts can be removed.

Change-Id: I630925ab42fbdc6634cd4b887996c71392249bed

jenkins/gerrit-bazel-build-plugin-branch.sh

diff --git a/jenkins/gerrit-bazel-build-plugin-branch.sh b/jenkins/gerrit-bazel-build-plugin-branch.sh
index 713a972..0740ad9 100644
--- a/jenkins/gerrit-bazel-build-plugin-branch.sh
+++ b/jenkins/gerrit-bazel-build-plugin-branch.sh
@@ -72,11 +72,6 @@
 
 bazelisk version
 
-if [ "{gerrit-branch}" == "stable-3.11" ]; then
-  BAZEL_OPTS="$BAZEL_OPTS --config=java21"
-  echo -e "Build against Gerrit stable-3.11 on java21. BAZEL_OPTS = $BAZEL_OPTS"
-fi
-
 ./polygerrit-ui/app/api/publish.sh --pack
 bazelisk build $BAZEL_OPTS $TARGETS
 

jenkins/gerrit-bazel-build-plugin.sh

diff --git a/jenkins/gerrit-bazel-build-plugin.sh b/jenkins/gerrit-bazel-build-plugin.sh
index 7740ad2..be4ddd6 100644
--- a/jenkins/gerrit-bazel-build-plugin.sh
+++ b/jenkins/gerrit-bazel-build-plugin.sh
@@ -71,11 +71,6 @@
   bash -c "{setup}"
 fi
 
-if [ "{branch}" == "stable-3.11" ]; then
-  BAZEL_OPTS="$BAZEL_OPTS --config=java21"
-  echo -e "Build stable-3.11 on java21. BAZEL_OPTS = $BAZEL_OPTS"
-fi
-
 ./polygerrit-ui/app/api/publish.sh --pack
 bazelisk build $BAZEL_OPTS $TARGETS
 bazelisk test $BAZEL_OPTS --test_env DOCKER_HOST=$DOCKER_HOST //tools/bzl:always_pass_test plugins/{name}/...

jenkins/gerrit-bazel-verifier-test.sh

diff --git a/jenkins/gerrit-bazel-verifier-test.sh b/jenkins/gerrit-bazel-verifier-test.sh
index 0b8de27..4f3cc97 100755
--- a/jenkins/gerrit-bazel-verifier-test.sh
+++ b/jenkins/gerrit-bazel-verifier-test.sh
@@ -8,11 +8,11 @@
 echo '----------------------------------------------'
 
 case $TARGET_BRANCH$MODE in
-  masterrbe|stable-3.11rbe|stable-3.12rbe|stable-3.13rbe|stable-3.14rbe)
+  masterrbe|stable-3.12rbe|stable-3.13rbe|stable-3.14rbe)
     TEST_TAG_FILTER="-flaky,-elastic,-no_rbe,-lucene"
     BAZEL_OPTS="$BAZEL_OPTS --config=remote_bb --jobs=50 --remote_header=x-buildbuddy-api-key=$BB_API_KEY"
     ;;
-  masternotedb|stable-3.11notedb|stable-3.12notedb|stable-3.13notedb|stable-3.14notedb)
+  masternotedb|stable-3.12notedb|stable-3.13notedb|stable-3.14notedb)
     TEST_TAG_FILTER="-flaky,elastic,no_rbe"
     ;;
   *)

vars/gerritPipeline.groovy

diff --git a/vars/gerritPipeline.groovy b/vars/gerritPipeline.groovy
index da9549a..aa342d6 100644
--- a/vars/gerritPipeline.groovy
+++ b/vars/gerritPipeline.groovy
@@ -130,7 +130,7 @@
 
 def collectBuildModes() {
     Builds.modes = []
-    if (env.GERRIT_BRANCH == "master" || env.GERRIT_BRANCH ==~ /stable-3.1[0-4]/) {
+    if (env.GERRIT_BRANCH == "master" || env.GERRIT_BRANCH ==~ /stable-3.1[2-4]/) {
         Builds.modes = ["notedb", "rbe"]
     } else {
         throw new Exception("Unsupported branch ${env.GERRIT_BRANCH}")