WorldInfo: addWall is no more a method

Author: atupone

src/bzfs/WorldInfo.h

@@ -72,7 +72,6 @@ class WorldInfo
     void setSize ( float x, float y );
     void setGravity ( float g );
 
-    void addWall(float x, float y, float z, float r, float w, float h);
     void addLink(int from, int to);
     void addLink(const std::string& from, const std::string& to);