Removed 'bytesRemaining' check

Slight efficiency improvement. In data mode bytes remaining is always
greater than 0, because the LED count is always set to greater than 0 in
the header setting. When it reaches 0 mode is immediately switched.

Arduino/LEDstream_FastLED/LEDstream_FastLED.ino

@@ -189,12 +189,11 @@ void headerMode(){
 }
 
 void dataMode(){
-	if(bytesRemaining > 0) {
 	if (outPos < sizeof(leds)){
 		dataSet();
 	}
 	bytesRemaining--;
-	}
+ 
 	if(bytesRemaining == 0) {
 		// End of data -- issue latch:
 		mode = MODE_HEADER; // Begin next header search