Input: keyboard - remove warning about raw mode not supported

This warning made sense when legacy keyboard driver was preferred
driver in X, but now that evdev driver is the default we can remove
the warning.
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>

drivers/char/keyboard.c

@@ -1123,8 +1123,6 @@ static int emulate_raw(struct vc_data *vc, unsigned int keycode,
 
 #define HW_RAW(dev)	0
 
-#warning "Cannot generate rawmode keyboard for your architecture yet."
-
 static int emulate_raw(struct vc_data *vc, unsigned int keycode, unsigned char up_flag)
 {
 	if (keycode > 127)