fix user promotion report

app/logical/reports/user_promotions.rb

@@ -23,9 +23,7 @@ module Reports
     end
 
     def users
-      User.with_timeout(30_000) do
-        User.joins(:posts).where("users.level < ? and users.post_upload_count >= 100", User::Levels::CONTRIBUTOR).where("posts.created_at >= ? and posts.fav_count >= 1", self.class.min_time).order("users.id").select("distinct users.id")
-      end
+      User.where("users.level < ? and users.post_upload_count >= 100", User::Levels::CONTRIBUTOR).order("created_at desc").limit(50)
     end
   end
 end