GitHub Actions: Remove gradle/actions/wrapper-validation because validation is performed by default in gradle/actions/setup-gradle@v4

Author: sadv1r

.github/workflows/build.yml

@@ -40,10 +40,6 @@ jobs:
       - name: Fetch Sources
         uses: actions/checkout@v4
 
-      # Validate wrapper
-      - name: Gradle Wrapper Validation
-        uses: gradle/actions/wrapper-validation@v4
-
       # Set up Java environment for the next steps
       - name: Setup Java
         uses: actions/setup-java@v4