Remove unimplemented function

src/raylib.h

@@ -1109,7 +1109,6 @@ RLAPI int GetTouchY(void);                                    // Get touch posit
 RLAPI Vector2 GetTouchPosition(int index);                    // Get touch position XY for a touch point index (relative to screen size)
 RLAPI int GetTouchPointId(int index);                         // Get touch point identifier for given index
 RLAPI int GetTouchPointCount(void);                           // Get number of touch points
-RLAPI int GetTouchEvent(void);                                // Get last touch event registered
 
 //------------------------------------------------------------------------------------
 // Gestures and Touch Handling Functions (Module: rgestures)