removed leftovers from old pulseIn

Author: cmaglie

cores/arduino/Arduino.h

@@ -71,7 +71,7 @@ void loop( void ) ;
   #include "Tone.h"
   #include "WMath.h"
   #include "HardwareSerial.h"
-  #include "wiring_pulse.h"
+//  #include "wiring_pulse.h"
   #include "delay.h"
   #include "Uart.h"
 #endif // __cplusplus