Revert "TaskList: Document relative path behavior"

Should be submitted to master.

This reverts commit b5c14c19.

Change-Id: I5be07a3bf5d290bedfaac71533ee204cb85194b9
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

doc/src/howto/creator-task-lists.qdoc

@@ -93,6 +93,4 @@
     Lines starting with the hash mark character (#) in the first column are
     ignored.
 
-    If the file path is given as a relative path, it is based on the parent
-    directory of the task list file.
 */