Properly mark deleted records as 980$c DELETED (not 980$a)
Properly mark deleted records as 980$c DELETED (not 980$a)

tiborsimko/invenio-records,inveniosoftware/invenio-search,inveniosoftware/invenio-records,tiborsimko/invenio-records,tiborsimko/invenio-search,inveniosoftware/invenio-search,inveniosoftware/invenio-records,tiborsimko/invenio-search