Fixed incorrect showing of favorites

- Moved all favorite checking logic to same file

app/logical/post_query_builder.rb

@@ -400,12 +400,6 @@ class PostQueryBuilder
 
     if q[:ordfav].present?
       user_id = q[:ordfav].to_i
-      user = User.find(user_id)
-
-      if user.hide_favorites?
-        raise User::PrivilegeError.new
-      end
-
       relation = relation.joins("INNER JOIN favorites ON favorites.post_id = posts.id")
       relation = relation.where("favorites.user_id % 100 = ? and favorites.user_id = ?", user_id % 100, user_id).order("favorites.id DESC")
     end