remove step in release action (#8479)

Co-authored-by: Fan Shang Xiang <[email protected]>

Author: k8s-infra-cherrypick-robot

.github/workflows/release.yaml

@@ -190,14 +190,7 @@ jobs:
             ./artifacts/cloud-controller-manager-*-*/*
             ./artifacts/acr-credential-provider-*-*/*
       - name: Update site release note
-        uses: peter-evans/create-pull-request@4320041ed380b20e97d388d56a7fb4f9b8c20e79 # v7.0.0
-        with:
-          branch: doc/release-note-${{github.ref_name}}
-          delete-branch: true
-          base: documentation
-          commit-message: Update release notes for ${{github.ref_name}}
-
-      - uses: stefanzweifel/git-auto-commit-action@v5
+        uses: stefanzweifel/git-auto-commit-action@v5
         with:
           # Optional. Commit message for the created commit.
           # Defaults to "Apply automatic changes"