Updated yml Scripts

-Updated: yml Scripts and ReadMe since the gradle setup no longer requires 2 commands to work properly.

.github/workflows/build_validator.yml

@@ -32,7 +32,5 @@ jobs:
       uses: gradle/wrapper-validation-action@e6e38bacfdf1a337459f332974bb2327a31aaf4b
     - name: Make gradlew executable
       run: chmod +x ./gradlew
-    - name: Generate SourceCode with Gradle
-      run: ./gradlew generateGithubSource
     - name: Build with Gradle
       run: ./gradlew build