ROMFS: standard plane: enable CA by default and remove legacy mixer

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>

ROMFS/px4fmu_common/init.d/airframes/2100_standard_plane

@@ -1,28 +1,16 @@
 #!/bin/sh
 #
-# @name Standard Plane
+# @name Generic Standard Plane
 #
 # @type Standard Plane
 # @class Plane
 #
-# @output MAIN1 aileron
-# @output MAIN2 elevator
-# @output MAIN3 throttle
-# @output MAIN4 rudder
-# @output MAIN5 flaps
-# @output MAIN6 gear
-#
-# @output AUX1 feed-through of RC AUX1 channel
-# @output AUX2 feed-through of RC AUX2 channel
-# @output AUX3 feed-through of RC AUX3 channel
-#
-# @maintainer Lorenz Meier <lorenz@px4.io>
-#
 # @board bitcraze_crazyflie exclude
 #
 
 . ${R}etc/init.d/rc.fw_defaults
 
+param set-default SYS_CTRL_ALLOC 1
 param set-default CA_AIRFRAME 1
 param set-default CA_ROTOR_COUNT 1
 param set-default CA_ROTOR0_PX 0.3
@@ -34,11 +22,3 @@ param set-default CA_SV_CS2_TRQ_P 1.0
 param set-default CA_SV_CS2_TYPE 3
 param set-default CA_SV_CS3_TRQ_Y 1.0
 param set-default CA_SV_CS3_TYPE 4
-
-param set-default PWM_AUX_RATE 50
-param set-default PWM_MAIN_RATE 50
-
-set MIXER AETRFG
-
-# Rate must be set by group (see pwm info).
-# Throttle is in the same group as servos.