rover: clean up velocity setpoint

msg/AckermannVelocitySetpoint.msg

@@ -1,4 +0,0 @@
-uint64 timestamp # time since system start (microseconds)
-
-float32[2] velocity_ned # 2-dimensional velocity setpoint in NED frame [m/s]
-bool backwards	        # Flag for backwards driving

msg/CMakeLists.txt

@@ -37,7 +37,6 @@ cmake_policy(SET CMP0057 NEW)
 include(px4_list_make_absolute)
 
 set(msg_files
-	AckermannVelocitySetpoint.msg
 	ActionRequest.msg
 	ActuatorArmed.msg
 	ActuatorControlsStatus.msg
@@ -64,7 +63,6 @@ set(msg_files
 	DebugValue.msg
 	DebugVect.msg
 	DifferentialPressure.msg
-	DifferentialVelocitySetpoint.msg
 	DistanceSensor.msg
 	DistanceSensorModeChangeRequest.msg
 	Ekf2Timestamps.msg
@@ -131,7 +129,6 @@ set(msg_files
 	ManualControlSwitches.msg
 	MavlinkLog.msg
 	MavlinkTunnel.msg
-	MecanumVelocitySetpoint.msg
 	MessageFormatRequest.msg
 	MessageFormatResponse.msg
 	Mission.msg
@@ -181,6 +178,7 @@ set(msg_files
 	RoverRateStatus.msg
 	RoverSteeringSetpoint.msg
 	RoverThrottleSetpoint.msg
+	RoverVelocitySetpoint.msg
 	RoverVelocityStatus.msg
 	Rpm.msg
 	RtlStatus.msg

msg/MecanumVelocitySetpoint.msg

@@ -1,5 +0,0 @@
-uint64 timestamp # time since system start (microseconds)
-
-float32 speed # [m/s] [-inf, inf] Speed setpoint
-float32 bearing         # [rad] [-pi, pi] from North.
-float32 yaw 	        # [rad] [-pi, pi] (Optional, defaults to current vehicle yaw) Vehicle yaw setpoint in NED frame

msg/RoverVelocitySetpoint.msg

@@ -2,3 +2,4 @@ uint64 timestamp # time since system start (microseconds)
 
 float32 speed   # [m/s] [-inf, inf] Speed setpoint (Backwards driving if negative)
 float32 bearing # [rad] [-pi,pi] from North.
+float32 yaw 	# [rad] [-pi, pi] (Mecanum only, Optional, defaults to current vehicle yaw) Vehicle yaw setpoint in NED frame