PX4: do not start px4 firmware rgbled driver

mk/PX4/ROMFS/init.d/rcS

@@ -20,20 +20,6 @@
 set MODE autostart
 set USB autoconnect
 
-#
-
-#
-
-
-if rgbled start
-then
-    set HAVE_RGBLED 1
-    # show startup white
-    rgbled rgb 16 16 16
-else
-    set HAVE_RGBLED 0
-fi
-
 #
 # Try to mount the microSD card.
 #
@@ -69,18 +55,10 @@ else
             else
                 echo "mount failed"
                 tone_alarm MNBG
-                if [ $HAVE_RGBLED == 1 ]
-                then
-                    rgbled rgb 16 0 0
-                fi
             fi
     else
         echo "format failed"
         tone_alarm MNBGG
-        if [ $HAVE_RGBLED == 1 ]
-        then
-                rgbled rgb 16 0 0
-        fi
     fi
 fi