CI: recover old guidelines enforcer

.github/workflows/guidelines_enforcer.yml

@@ -19,27 +19,6 @@ on:
   pull_request:
 
 jobs:
-  setup_and_install:
-    name: Setup Python and Install Dependencies
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v5
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.10'
-      - name: Create and activate virtual environment
-        run: |
-          python -m venv venv
-          source venv/bin/activate
-      - name: Install dependencies
-        run: |
-          pip install --upgrade pip
-          make deps
-
   guidelines_enforcer:
     name: Call Ledger guidelines_enforcer
-    needs: setup_and_install
-    uses: LedgerHQ/ledger-app-workflows/.github/workflows/reusable_guidelines_enforcer.yml@v1
-    with:
-      python-version: '3.10'
+    uses: LedgerHQ/ledger-app-workflows/.github/workflows/reusable_guidelines_enforcer.yml@v1