Remove release notes generation from action

Signed-off-by: Venelin Bakalov <bakalovv@vmware.com>

Author: VenelinBakalov

.github/workflows/draft-release.yml

@@ -99,4 +99,3 @@ jobs:
           gh release upload "$tagname" *.tgz *.vsix *.sha256 *.minisig
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
-          RELEASE_NOTES: ${{steps.generate_changelog.outputs.result}}