try removing path: head to fix PR creation job

Author: carolynzech

.github/workflows/kani-metrics.yml

@@ -17,7 +17,6 @@ jobs:
     - name: Checkout Repository
       uses: actions/checkout@v4
       with:
-        path: head
         submodules: true
 
     # The Kani metrics collection uses a Python script (kani_std_analysis.py), so make sure Python is installed
@@ -27,12 +26,11 @@ jobs:
         python-version: '3.x'
 
     - name: Compute Kani Metrics
-      run: head/scripts/run-kani.sh --run metrics --path ${{github.workspace}}/head
+      run: ./scripts/run-kani.sh --run metrics --path ${{github.workspace}}
 
     - name: Create Pull Request
       uses: peter-evans/create-pull-request@v7
       with:
-        token: ${{ secrets.GITHUB_TOKEN }}
         commit-message: Update Kani metrics
         title: 'Update Kani Metrics'
         body: |