max44006: remove unused red, green, blue, clear, ir class variables

include/driver/max44006.h

@@ -63,9 +63,7 @@ class MAX44006 {
 		unsigned char txbuf[2];
 		unsigned char rxbuf[10];
 
-		AmbientConfig ambientConfig;
-
-		uint16_t clear, red, green, blue, ir;
+		unsigned char ambientConfig;
 
 	public:
 

src/driver/max44006.cc

@@ -59,6 +59,14 @@ uint16_t MAX44006::getTemperature()
 		return 0;
 	}
 
+	/*
+	 * 13543 counts @ ~21c
+	 * 13660 counts @ ~30c
+	 * 14280 counts @ ~48c
+	 * -> approx 27 counts / degc
+	 * -> approx 12970 counts @ 0c
+	 */
+
 	// independent of AMBPGA setting, depends on AMBTIM
 	return (((uint16_t)rxbuf[0] << 8) + rxbuf[1]);
 }