Remove unused code

qgroundcontrol.pro

src/uas/QGCUASParamManager.cc

src/uas/UASInterface.h

src/uas/UASParameterCommsMgr.cc

src/ui/MAVLinkDecoder.cc

src/ui/MainWindow.cc

src/ui/MainWindow.h

src/ui/QGCRemoteControlView.cc

src/ui/QGCRemoteControlView.h

src/ui/QGCRemoteControlView.ui

src/ui/QGCStatusBar.cc

src/ui/QGCTabbedInfoView.h

src/ui/QGCUASFileView.cc

src/ui/RadioCalibration/AbstractCalibrator.cc

src/ui/RadioCalibration/AbstractCalibrator.h

src/ui/RadioCalibration/AirfoilServoCalibrator.cc

src/ui/RadioCalibration/AirfoilServoCalibrator.h

src/ui/RadioCalibration/CurveCalibrator.cc

src/ui/RadioCalibration/CurveCalibrator.h

src/ui/RadioCalibration/RadioCalibrationData.cc