global: communities module leftovers removal
global: communities module leftovers removal

* Cleans communities module leftovers.

Signed-off-by: Adrian Pawel Baran <3f0d95b8f073876984c6beaffa367600a8350ef3@cern.ch>

inveniosoftware/invenio-base,tiborsimko/invenio-base,tiborsimko/invenio-base,inveniosoftware/invenio-base