Use CODE_TYPE_OFF for NOAA channels

It seemed to default to CTCSS,
which means you never hear the NOAA channels unless
you use Monitor mode or SQL 0, which is not ideal

functions.c

@@ -79,7 +79,7 @@ void FUNCTION_Init(void)
     gNOAACountdown_10ms = 0;
 
     if (IS_NOAA_CHANNEL(gRxVfo->CHANNEL_SAVE)) {
-        gCurrentCodeType = CODE_TYPE_CONTINUOUS_TONE;
+        gCurrentCodeType = CODE_TYPE_OFF;
     }
 #endif