Revert "Issue #403: Support local act runner"

This reverts commit b3045eb.

README.md

@@ -394,9 +394,6 @@ They are composite actions which can be used in any of your workflows e.g.
     ssh-known-hosts: ${{ secrets.SSH_KNOWN_HOSTS }}
 ```
 
-Tests can be run locally with [act](https://github.com/nektos/act):
-`act -P ubuntu-latest=ghcr.io/catthehacker/ubuntu:runner-latest -j Static-Tests`
-
 ### Composer Lock Diff
 Update Pull Request descriptions with a markdown table of any changes detected
 in `composer.lock` using [composer-lock-diff](https://github.com/davidrjonas/composer-lock-diff).

scaffold/github/actions/common/ddev/action.yml

@@ -60,11 +60,6 @@ runs:
           sudo apt install -y ddev
         fi
 
-        # Support local runner https://github.com/nektos/act
-        if [ "$ACT" != "" ]; then
-          sudo chown runner:docker /var/run/docker.sock
-        fi
-
         ddev config global --instrumentation-opt-in=false --omit-containers=ddev-ssh-agent
 
         if [ "${{ inputs.composer-cache-dir }}" != "false" ]; then