Remove broken lint step from release workflow

Author: nineinchnick

.github/workflows/release.yml

@@ -82,14 +82,6 @@ jobs:
           md5sum ${{ steps.metadata.outputs.archive }} > ${{ steps.metadata.outputs.archive-checksum }}
           echo "::set-output name=checksum::$(cat ./${{ steps.metadata.outputs.archive-checksum }} | cut -d' ' -f1)"
 
-      - name: Lint plugin
-        run: |
-          git clone https://github.com/grafana/plugin-validator
-          pushd ./plugin-validator/pkg/cmd/plugincheck2
-          go install
-          popd
-          plugincheck2 ${{ steps.metadata.outputs.archive }}
-
       - name: Create release
         id: create_release
         uses: actions/create-release@v1