Remove body; will be manually written from now on

Author: deimonn

.github/workflows/publish.yaml

@@ -37,4 +37,3 @@ jobs:
       uses: softprops/action-gh-release@v1
       with:
         files: '*.vsix'
-        body: See [CHANGELOG.md](https://github.com/deimonn/code-re2c/blob/master/CHANGELOG.md) for a list of additions, changes and fixes.