CI: Remove step to accept Android SDK Licenses

Seems that the Ubuntu image now ships with Android Build Tools 34.0.0,
so this workaround can be removed

See actions/runner-images#7701 for more info

.github/actions/build-gradle/action.yml

@@ -60,12 +60,6 @@ runs:
       shell: bash
       env:
         SECRETS_GPG_COMMAND: gpg2
-    # AGP 8.2 requires 34.0.0-rc3 - see https://issuetracker.google.com/issues/236167971#comment36
-    # and https://github.com/actions/runner-images/issues/7506#issuecomment-1533097084
-    # TODO: Remove when AGP updates Build Tools to 34.0.0 and pre-installed in the runner
-    - name: Install Android Build Tools 34.0.0-rc3
-      run: echo "y" | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager "build-tools;34.0.0-rc3"
-      shell: bash
     - name: Validate Gradle wrapper
       uses: gradle/wrapper-validation-action@v1
     - name: Setup Gradle