Remove unneeded relationship_data method

Author: lgebhardt

lib/jsonapi/resource_serializer.rb

@@ -108,7 +108,7 @@ def object_hash(source, include_directives)
       attributes = attribute_hash(source)
       obj_hash['attributes'] = attributes unless attributes.empty?
 
-      relationships = relationships_hash(source, include_directives)
+      relationships = relationship_data(source, include_directives)
       obj_hash['relationships'] = relationships unless relationships.nil? || relationships.empty?
 
       return obj_hash
@@ -133,18 +133,6 @@ def attribute_hash(source)
       end
     end
 
-    def relationships_hash(source, include_directives)
-      rel_hash = {}
-
-      links = relationship_links(source)
-      rel_hash['links'] = links unless links.empty?
-
-      data = relationship_data(source, include_directives)
-      rel_hash['data'] = data unless data.empty?
-
-      # links_hash(source, include_directives)
-    end
-
     def relationship_data(source, include_directives)
       associations = source.class._associations
       requested = requested_fields(source.class._type)