fix removed commands wording in upgrade file

Author: xabbuh

UPGRADE-3.0.md

@@ -1604,8 +1604,7 @@ UPGRADE FROM 2.x to 3.0
 
 ### WebProfiler
 
- * The `profiler:import` and `profiler:export` commands have been deprecated and
-   will be removed in 3.0.
+ * The `profiler:import` and `profiler:export` commands have been removed.
 
  * All the profiler storages different than `FileProfilerStorage` have been
    removed. The removed classes are: