Remove redundant argument (#39289)

Author: Amar3tto

.github/workflows/beam_PostCommit_Java_Jpms_Dataflow.yml

@@ -76,7 +76,6 @@ jobs:
         uses: ./.github/actions/gradle-command-self-hosted-action
         with:
           gradle-command: :sdks:java:testing:jpms-tests:dataflowRunnerIntegrationTest
-          arguments: -Dorg.gradle.java.home=$JAVA_HOME_11_X64
       - name: Archive JUnit Test Results
         uses: actions/upload-artifact@v7
         if: ${{ !success() }}