Fix no method 'new' for Int:Class

Author: thebadmonkeydev

lib/graphql/cache.rb

@@ -89,9 +89,7 @@ def self.marshal_from_cache(cached, config = {})
             config[:query_context]
           )
         else
-          cached.class.new(
-            cached
-          )
+          cached
         end
       end
     end