Merge pull request #2879 from evazion/fix-dead-code

Eliminate dead code

app/logical/post_sets/base.rb

@@ -39,19 +39,5 @@ module PostSets
     def presenter
       raise NotImplementedError
     end
-
-    def arbitrary_sql_order_clause(ids, table_name)
-      if ids.empty?
-        return "#{table_name}.id desc"
-      end
-
-      conditions = []
-
-      ids.each_with_index do |x, n|
-        conditions << "when #{x} then #{n}"
-      end
-
-      "case #{table_name}.id " + conditions.join(" ") + " end"
-    end
   end
 end