Revert "Added todo comment"
Revert "Added todo comment"

This reverts commit e6166f0b9b173945e4b0877aa6dd12217b78572f.

Removed the todo comment but left the new exception message.

The issue can be found here
https://github.com/Becklyn/BecklynPageTreeBundle/issues/1

Becklyn/BecklynPageTreeBundle,Becklyn/BecklynRouteTreeBundle,Becklyn/BecklynPageTreeBundle