Remove unnecessary scripts after repo split (#622)

Signed-off-by: Joshua Li <joshuali925@gmail.com>
(cherry picked from commit b5ea7ff)

build.gradle

@@ -385,12 +385,6 @@ task updateVersion {
         println "Setting version to ${newVersion}."
          // String tokenization to support -SNAPSHOT
         ant.replaceregexp(file:'build.gradle', match: '"opensearch.version", "\\d.*"', replace: '"opensearch.version", "' + newVersion.tokenize('-')[0] + '-SNAPSHOT"', flags:'g', byline:true)
-        ant.replaceregexp(file:'../.github/workflows/dashboards-reports-test-and-build-workflow.yml', match:'OPENSEARCH_PLUGIN_VERSION: \\d+.\\d+.\\d+.\\d+', replace:'OPENSEARCH_PLUGIN_VERSION: ' + newVersion.tokenize('-')[0] + '.0', flags:'g', byline:true)
-        ant.replaceregexp(file:'../.github/workflows/draft-release-notes-workflow.yml', match:'version: \\d+.\\d+.\\d+.\\d+', replace:'version: ' + newVersion.tokenize('-')[0] + '.0', flags:'g', byline:true)
-        // Match key version in JSON files.
-        ant.replaceregexp(file:'../dashboards-reports/opensearch_dashboards.json', match:'"version": "\\d+.\\d+.\\d+.\\d+', replace:'"version": ' + '"' + newVersion.tokenize('-')[0] + '.0', flags:'g', byline:true)
-        ant.replaceregexp(file:'../dashboards-reports/package.json', match:'"version": "\\d+.\\d+.\\d+.\\d+', replace:'"version": ' + '"' + newVersion.tokenize('-')[0] + '.0', flags:'g', byline:true)
-        // Match key opensearchDashboardsVersion in JSON files.
-        ant.replaceregexp(file:'../dashboards-reports/opensearch_dashboards.json', match:'"opensearchDashboardsVersion": "\\d+.\\d+.\\d+', replace:'"opensearchDashboardsVersion": ' + '"' + newVersion.tokenize('-')[0], flags:'g', byline:true)
+        ant.replaceregexp(file:'./.github/workflows/draft-release-notes-workflow.yml', match:'version: \\d+.\\d+.\\d+.\\d+', replace:'version: ' + newVersion.tokenize('-')[0] + '.0', flags:'g', byline:true)
     }
 }