style cleanup

- spelling - turns out we had tessellation spelt wrong all over.
- use \directive for doxy (not @directive)
- remove BLI_sparsemap.h - was from bmesh merge IIRC but entire file commented and not used.

source/gameengine/Ketsji/KX_IPhysicsController.cpp

@@ -1,6 +1,4 @@
 /*
- * @file KX_IPhysicsController.cpp
- *
  * ***** BEGIN GPL LICENSE BLOCK *****
  *
  * This program is free software; you can redistribute it and/or
@@ -48,5 +46,3 @@ KX_IPhysicsController::KX_IPhysicsController(bool dyna, bool sensor, bool compou
 KX_IPhysicsController::~KX_IPhysicsController()
 {
 }
-
-