rc.interface: remove unnecessary fmu start for RC input

RC input is now handled via rc_input module

ROMFS/px4fmu_common/init.d/rc.interface

@@ -108,7 +108,7 @@ then
 	fi
 
 	#
-	# Start IO or FMU for RC PPM input if needed.
+	# Start IO for RC input if needed.
 	#
 	if [ $IO_PRESENT == yes ]
 	then
@@ -116,17 +116,6 @@ then
 		then
 			sh /etc/init.d/rc.io
 		fi
-	else
-		if [ $OUTPUT_MODE != fmu ]
-		then
-			if fmu mode_${FMU_MODE} $FMU_ARGS
-			then
-			else
-				echo "FMU mode_${FMU_MODE} start failed" >> $LOG_FILE
-				# Error tune.
-				tune_control play -t 2
-			fi
-		fi
 	fi
 fi