delete lib/mixer and mixer_module static mixing

src/modules/mc_att_control/mc_att_control.hpp

@@ -33,7 +33,6 @@
 
 #pragma once
 
-#include <lib/mixer/MixerBase/Mixer.hpp> // Airmode
 #include <matrix/matrix/math.hpp>
 #include <perf/perf_counter.h>
 #include <px4_platform_common/px4_config.h>

src/modules/mc_att_control/mc_att_control_main.cpp

@@ -117,7 +117,7 @@ MulticopterAttitudeControl::generate_attitude_setpoint(const Quatf &q, float dt,
 		_man_yaw_sp = yaw;
 
 	} else if (math::constrain(_manual_control_setpoint.z, 0.0f, 1.0f) > 0.05f
-		   || _param_mc_airmode.get() == (int32_t)Mixer::Airmode::roll_pitch_yaw) {
+		   || _param_mc_airmode.get() == 2) {
 
 		const float yaw_rate = math::radians(_param_mpc_man_y_max.get());
 		attitude_setpoint.yaw_sp_move_rate = _manual_control_setpoint.r * yaw_rate;