CI: Remove automatic changelog generation with chglog

Author: amotl

.chglog/CHANGELOG.tpl.md

@@ -21,15 +21,7 @@ jobs:
         echo ::set-output name=VERSION::${GITHUB_REF#refs/tags/}
     - name: install
       run: |
-        go get github.com/git-chglog/git-chglog/cmd/git-chglog
         go get github.com/github-release/github-release
-    - name: changelog
-      run: |
-        # https://github.com/git-chglog/git-chglog#git-chglog
-        $(go env GOPATH)/bin/git-chglog \
-          --config .chglog/RELEASE_NOTES-config.yml \
-          -o $GITHUB_WORKSPACE/CHANGELOG.md \
-          ${{ steps.version.outputs.VERSION }}
     - name: release
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}