fix configuration update api

Author: michaeljguarino

lib/console/graphql/middleware/sandboxed.ex

@@ -1,6 +1,5 @@
 defmodule Console.Middleware.Sandboxed do
   @behaviour Absinthe.Middleware
-  alias Console.Schema.User
 
   def call(resolution, _) do
     case Console.sandbox?() do

lib/console/graphql/plural.ex

@@ -1,7 +1,7 @@
 defmodule Console.GraphQl.Plural do
   use Console.GraphQl.Schema.Base
   alias Console.GraphQl.Resolvers.Plural
-  alias Console.Middleware.{Authenticated, AdminRequired, RequiresGit}
+  alias Console.Middleware.{Authenticated, AdminRequired, RequiresGit, Rbac}
 
   input_object :smtp_input do
     field :server,   :string