ci: fix tf-drift.yml (#61)

Author: lorenzocorallo

.github/workflows/tf-drift.yml

@@ -21,9 +21,6 @@ jobs:
   terraform-plan:
     name: 'Terraform Plan'
     runs-on: ubuntu-latest
-    env:
-      #this is needed since we are running terraform with read-only permissions
-      ARM_SKIP_PROVIDER_REGISTRATION: true
     outputs:
       tfplanExitCode: ${{ steps.tf-plan.outputs.exitcode }}