[Release 2.12.0] Disable 2.12.0 auto runs (#4443)

Signed-off-by: Prudhvi Godithi <pgodithi@amazon.com>

Author: prudhvigodithi

jenkins/check-for-build.jenkinsfile

@@ -27,8 +27,6 @@ pipeline {
             H 1 * * * %INPUT_MANIFEST=1.3.15/opensearch-1.3.15.yml;TARGET_JOB_NAME=distribution-build-opensearch;BUILD_PLATFORM=linux macos windows;BUILD_DISTRIBUTION=tar rpm deb zip
             H */6 * * * %INPUT_MANIFEST=2.13.0/opensearch-dashboards-2.13.0.yml;TARGET_JOB_NAME=distribution-build-opensearch-dashboards;BUILD_PLATFORM=linux windows;BUILD_DISTRIBUTION=tar rpm deb zip
             H */6 * * * %INPUT_MANIFEST=2.13.0/opensearch-2.13.0.yml;TARGET_JOB_NAME=distribution-build-opensearch;BUILD_PLATFORM=linux macos windows;BUILD_DISTRIBUTION=tar rpm deb zip
-            H */6 * * * %INPUT_MANIFEST=2.12.0/opensearch-dashboards-2.12.0.yml;TEST_MANIFEST=2.12.0/opensearch-dashboards-2.12.0-test.yml;TARGET_JOB_NAME=distribution-build-opensearch-dashboards;BUILD_PLATFORM=linux windows;BUILD_DISTRIBUTION=tar rpm deb zip;INCREMENTAL=false
-            H */6 * * * %INPUT_MANIFEST=2.12.0/opensearch-2.12.0.yml;TEST_MANIFEST=2.12.0/opensearch-2.12.0-test.yml;TARGET_JOB_NAME=distribution-build-opensearch;BUILD_PLATFORM=linux macos windows;BUILD_DISTRIBUTION=tar rpm deb zip;INCREMENTAL=false
             H 1 * * * %INPUT_MANIFEST=3.0.0/opensearch-3.0.0.yml;TARGET_JOB_NAME=distribution-build-opensearch;BUILD_PLATFORM=linux macos windows;BUILD_DISTRIBUTION=tar rpm deb zip
             H 1 * * * %INPUT_MANIFEST=3.0.0/opensearch-dashboards-3.0.0.yml;TARGET_JOB_NAME=distribution-build-opensearch-dashboards;BUILD_PLATFORM=linux windows;BUILD_DISTRIBUTION=tar rpm deb zip
         '''