Don't need to cleanup as checkout does it.

.github/workflows/ci.yml

@@ -1,18 +1,7 @@
 name: ci
 on: [push]
 jobs:
-  coverage_cleanup:
-    runs-on: self-hosted
-    steps:
-      - name: Coverage cleanup
-        run: |
-         echo "Cleaning up previous run"
-         echo "github.workspace = ${{ github.workspace }}"
-         rm -rf "${{ github.workspace }}/scn4me_subm_temp"
-         rm -rf "${{ github.workspace }}/freepdk45_temp"
-         python3-coverage erase
   checkout_code:
-    needs: [coverage_cleanup]
     runs-on: self-hosted    
     steps:
       - name: Checkout code