Fix rubocop vulnerabilities

Author: Knerio

app/models/runtime_function_definition.rb

@@ -26,5 +26,4 @@ def generic_keys_length
     errors.add(:generic_keys, 'each key must be 50 characters or fewer') if generic_keys.any? { |key| key.length > 50 }
     errors.add(:generic_keys, 'must be 30 or fewer') if generic_keys.size > 30
   end
-
 end

spec/services/namespaces/projects/flows/validation/node_function/generic_mapper_validation_service_spec.rb

@@ -27,8 +27,7 @@
                     data_type: create(:data_type_identifier,
                                       generic_type: create(:generic_type,
                                                            data_type: create(:data_type),
-                                                           generic_mappers: [generic_mapper]
-                                      ))),
+                                                           generic_mappers: [generic_mapper]))),
            literal_value: nil,
            function_value: create(:node_function))
   end