ci: change release note format

Author: gamemaker1

.github/workflows/release.yaml

@@ -32,22 +32,12 @@ jobs:
       - name: Get version number for release tag
         id: version-number
         run: echo "::set-output name=version::$(cat version)"
-      - name: Prepare release notes file
-        run: |
-          touch release_notes.md
-          echo "# bak ${{ steps.version-number.outputs.version }}" > release_notes.md
       - name: Extract release notes from the changelog
         id: extract-release-notes
         uses: ffurrer2/extract-release-notes@v1
         with:
           changelog_file: changelog.md
           release_notes_file: release_notes.md
-      - name: Add footer to the release notes
-        run: |
-          echo "\n\n"
-          echo "### More on installation and usage can be found [here](https://github.com/gamemaker1/bak/#readme)." >> release_notes.md
-          echo "### Please report any bugs or submit ideas/feature requests [here](https://github.com/gamemaker1/bak/issues)." >> release_notes.md
-          echo "### Thanks for using bak!" >> release_notes.md
       # Upload the release
       - name: Create GitHub release
         uses: softprops/action-gh-release@v1