remove overwrited method destroy

app/repositories/orient_db/collection_repository.rb

@@ -2,13 +2,6 @@ module OrientDb
   class CollectionRepository < Base
     include OrientDb::Methods::EdgeMethods
 
-    # Usage:
-    #   repository.for(:collections).destroy collection
-    #
-    def destroy(collection)
-      connection.command sprintf("DELETE VERTEX %s", collection.id)
-    end
-
     def build_object(args={})
       Collection.new(
           :id => args["@rid"],