Revert "apps/projects: make sure projects without modules are not finished"
Revert "apps/projects: make sure projects without modules are not finished"

This reverts commit 8fe5db1289c51d3b0f666f8021d267073639678f.

liqd/adhocracy4,liqd/adhocracy4,liqd/adhocracy4,liqd/adhocracy4