Remove unnecessary scripts after repo split (#1256)

Signed-off-by: Joshua Li <[email protected]>

build.gradle

@@ -190,12 +190,5 @@ task updateVersion {
         // String tokenization to support -SNAPSHOT
         ant.replaceregexp(file:'.github/workflows/sql-workbench-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:'build.gradle', match: '"opensearch.version", "\\d.*"', replace: '"opensearch.version", "' + newVersion.tokenize('-')[0] + '-SNAPSHOT"', flags:'g', byline:true)
-        ant.replaceregexp(match:'"version": "\\d+.\\d+.\\d+.\\d+', replace:'"version": ' + '"' + newVersion.tokenize('-')[0] + '.0', flags:'g', byline:true) {
-            fileset(dir: projectDir) {
-                include(name: "workbench/package.json")
-                include(name: "workbench/opensearch_dashboards.json")
-            }
-        }
-        ant.replaceregexp(file:'workbench/opensearch_dashboards.json', match:'"opensearchDashboardsVersion": "\\d+.\\d+.\\d+', replace:'"opensearchDashboardsVersion": ' + '"' + newVersion.tokenize('-')[0], flags:'g', byline:true)
     }
 }