Revert "Make sure the workspace directory always exists"

This reverts commit d0654d4.

Author: webknjaz

action.yml

@@ -35,9 +35,6 @@ runs:
     with:
       name: ${{ inputs.workflow-artifact-name }}
       path: ${{ github.action_path }}/.tmp
-  - name: Ensure the workspace directory exists
-    run: mkdir -pv '${{ github.workspace }}'
-    shell: bash
   - name: Get the source out of the tarball
     run: >-
       tar xzvf ${{ inputs.source-tarball-name }}