Remove initial complete clean up again as it didn't fix the problem, …

…and the latest splitting up 'docker compose up' into separate 'create' and 'up' commands seems to work.

.github/workflows/ci.yml

@@ -32,8 +32,6 @@ jobs:
           make test-doc
       - name: Build images
         run: |
-          echo "NOTE: run complete clean first to rule out any stale cache"
-          echo y | make distclean
           make init
           echo "# NOTE: use absolute paths to current dir to get docker bind mounts to work" > ci.env
           echo "DOCKER_MIGRID_ROOT=$PWD" >> ci.env