remove extra filter

Author: chingor13

.github/workflows/sdk-platform-java-nightly.yaml

@@ -41,8 +41,6 @@ jobs:
             --title "Nightly build for Java ${{ matrix.java }} on ${{ matrix.os }} failed." \
             --body "The build has failed : https://github.com/googleapis/google-cloud-java/actions/runs/${GITHUB_RUN_ID}"
   nightly-java8: # Compile with JDK 11. Run tests with JDK 8.
-    needs: filter
-    if: ${{ needs.filter.outputs.library == 'true' }}
     strategy:
       fail-fast: false
       matrix: