update update-itself.yml

Author: jiriklepl

.github/workflows/update-itself.yml

@@ -7,15 +7,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set remote
-        shell: bash
-        working-directory: ${{github.workspace}}
-        run: |
-          git checkout master
-          git fetch origin
-          git pull origin master
-          git branch -d HEAD &>/dev/null || git tag -d HEAD || : # Make sure no branch is named HEAD
-
       - name: Run update.sh
         shell: bash
         working-directory: ${{github.workspace}}