tracks/csharp/exercises/tree-building/README.md in trackler-2.2.1.104 vs tracks/csharp/exercises/tree-building/README.md in trackler-2.2.1.105

@@ -24,11 +24,8 @@
 +-- child2 (ID: 3, parent ID: 0)
 |    +-- grandchild3 (ID: 6, parent ID: 3)
 +-- child3 (ID: 5, parent ID: 0)
 ```
 
-### Submitting Exercises
-
-Note that, when trying to submit an exercise, make sure the exercise file that you're submitting is in the `exercism/csharp/tree-building` directory.
 
 ## Submitting Incomplete Solutions
 It's possible to submit an incomplete solution so you can see how others have completed the exercise.