chore: deleting one time gh action file

.github/workflows/version-cleanup.yml

@@ -1,31 +0,0 @@
-name: Version Cleanup
-
-# running on manual dispatch
-on:
-  workflow_dispatch:
-
-env:
-  # set the registry to the GitHub Container Registry
-  REGISTRY: ghcr.io
-  # set github.repository as <account>/<repo>
-  IMAGE_NAME: ${{ github.repository }}:${{ github.ref }}
-
-# jobs to run
-jobs:
-
-  # cleanup job
-  cleanup:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-      id-token: write
-
-    # steps to run on the job
-    steps:
-    - name: Delete Package Versions
-      uses: actions/[email protected]
-      with: 
-        package-name: 'thesis-webapp'
-        package-type: 'container'
-        min-versions-to-keep: 2