Revert "Preload custom user fields when viewing flag queue"

This reverts commit 5bd1c5cc95.

app/serializers/flagged_user_serializer.rb

@@ -3,8 +3,7 @@ class FlaggedUserSerializer < BasicUserSerializer
              :can_be_deleted,
              :post_count,
              :topic_count,
-             :ip_address,
-             :custom_fields
+             :ip_address
 
   def can_delete_all_posts
     scope.can_delete_all_posts?(object)
@@ -18,19 +17,4 @@ class FlaggedUserSerializer < BasicUserSerializer
     object.ip_address.try(:to_s)
   end
 
-  def custom_fields
-    fields = User.whitelisted_user_custom_fields(scope)
-
-    if scope.can_edit?(object)
-      fields += DiscoursePluginRegistry.serialized_current_user_fields.to_a
-    end
-
-    result = {}
-    fields.each do |k|
-      result[k] = object.custom_fields[k] if object.custom_fields[k].present?
-    end
-
-    result
-  end
-
 end

lib/flag_query.rb

@@ -129,13 +129,10 @@ module FlagQuery
     # TODO: add serializer so we can skip this
     posts.map!(&:marshal_dump)
 
-    users = User.includes(:user_stat).where(id: user_ids.to_a).to_a
-    User.preload_custom_fields(users, User.whitelisted_user_custom_fields(guardian))
-
     [
       posts,
       Topic.with_deleted.where(id: topic_ids.to_a).to_a,
-      users,
+      User.includes(:user_stat).where(id: user_ids.to_a).to_a,
       all_post_actions,
       total_rows
     ]