Removed VersioningConsumer from cfg

Author: Matus Kasak

dspace/config/dspace.cfg

@@ -818,7 +818,6 @@ event.consumer.rdf.filters = Community|Collection|Item|Bundle|Bitstream|Site+Add
 #event.consumer.test.filters = All+All
 
 # consumer to maintain versions
-event.consumer.versioning.class = org.dspace.versioning.VersioningConsumer
 event.consumer.versioning.filters = Item+Install
 
 # authority consumer