Copter: GCS_MAVLink now uses Mission singleton

ArduCopter/GCS_Mavlink.cpp

@@ -1469,15 +1469,6 @@ bool GCS_MAVLINK_Copter::accept_packet(const mavlink_status_t &status, mavlink_m
     return (msg.sysid == copter.g.sysid_my_gcs);
 }
 
-AP_Mission *GCS_MAVLINK_Copter::get_mission()
-{
-#if MODE_AUTO_ENABLED == ENABLED
-    return &copter.mode_auto.mission;
-#else
-    return nullptr;
-#endif
-}
-
 AP_AdvancedFailsafe *GCS_MAVLINK_Copter::get_advanced_failsafe() const
 {
 #if ADVANCED_FAILSAFE == ENABLED

ArduCopter/GCS_Mavlink.h

@@ -16,7 +16,6 @@ protected:
 
     bool accept_packet(const mavlink_status_t &status, mavlink_message_t &msg) override;
 
-    AP_Mission *get_mission() override;
     AP_Rally *get_rally() const override;
     MAV_RESULT handle_flight_termination(const mavlink_command_long_t &packet) override;
     AP_AdvancedFailsafe *get_advanced_failsafe() const override;