Stop uploading nightly artifacts

Author: MatteoPologruto

Diff for: .github/workflows/publish-go-nightly-task.yml

@@ -186,13 +186,6 @@ jobs:
             sha256sum $artifact >> ${TAG}-checksums.txt
           done
 
-      - name: Upload artifacts
-        uses: actions/upload-artifact@v3
-        with:
-          if-no-files-found: error
-          name: ${{ env.ARTIFACT_NAME }}
-          path: ${{ env.DIST_DIR }}
-
       # - name: Upload release files on Arduino downloads servers
       #   uses: docker://plugins/s3
       #   env: