Bugfix: another variables that was moved to the base class was left in the header file.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@5125 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/karts/controller/default_ai_controller.hpp

@@ -143,9 +143,6 @@ private:
 
     int m_start_kart_crash_direction; //-1 = left, 1 = right, 0 = no crash.
 
-    /** Cache width of kart. */
-    float m_kart_width;
-
     /** For debugging purpose: a sphere indicating where the AI 
      *  is targeting at. */
     irr::scene::ISceneNode *m_debug_sphere;