Rover: move vehicle_initialised to be on GCS not GCS_MAVLink

APMrover2/GCS_Mavlink.cpp

@@ -285,7 +285,7 @@ uint32_t GCS_MAVLINK_Rover::telem_delay() const
     return static_cast<uint32_t>(rover.g.telem_delay);
 }
 
-bool GCS_MAVLINK_Rover::vehicle_initialised() const
+bool GCS_Rover::vehicle_initialised() const
 {
     return rover.control_mode != &rover.mode_initializing;
 }

APMrover2/GCS_Mavlink.h

@@ -28,8 +28,6 @@ protected:
 
     bool persist_streamrates() const override { return true; }
 
-    bool vehicle_initialised() const override;
-
     bool set_home_to_current_location(bool lock) override;
     bool set_home(const Location& loc, bool lock) override;
     uint64_t capabilities() const override;

APMrover2/GCS_Rover.h

@@ -20,6 +20,8 @@ public:
     uint32_t custom_mode() const override;
     MAV_TYPE frame_type() const override;
 
+    bool vehicle_initialised() const override;
+
     void update_sensor_status_flags(void) override;
 
 private: