remove determination step of latest branch

Author: sayakpaul

.github/workflows/pypi_publish.yaml

@@ -23,14 +23,6 @@ jobs:
         with:
           python-version: "3.10"
 
-      - name: Fetch and checkout latest release branch
-        run: |
-          pip install -U requests packaging
-          LATEST_BRANCH=$(python utils/fetch_latest_release_branch.py)
-          echo "Latest branch: $LATEST_BRANCH"
-          git fetch origin "$LATEST_BRANCH"
-          git checkout "$LATEST_BRANCH"
-
       - name: Install build dependencies
         run: |
           python -m pip install --upgrade pip