Remove unused files

deploy/mac_audiotest.sh

-#!/bin/sh
-cp -r audio bin/mac/qgroundcontrol.app/Contents/MacOs/.

deploy/mac_create_dmg_shell.sh

-#!/bin/sh
-cp -r ../release/qgroundcontrol.app .
-
-
-cp -r ../files/audio qgroundcontrol.app/Contents/MacOs/.
-mkdir -p qgroundcontrol.app/Contents/Frameworks/
-mkdir -p qgroundcontrol.app/Contents/PlugIns/imageformats
-mkdir -p qgroundcontrol.app/Contents/PlugIns/codecs
-mkdir -p qgroundcontrol.app/Contents/PlugIns/accessible
-cp -r /usr/local/Cellar/qt/4.8.5/plugins/ qgroundcontrol.app/Contents/PlugIns/.
-# SDL is not copied by Qt - for whatever reason
-cp -r /Library/Frameworks/SDL.framework qgroundcontrol.app/Contents/Frameworks/.
-echo -e '\n\nStarting to create disk image. This may take a while..\n'
-macdeployqt qgroundcontrol.app -dmg
-rm -rf qgroundcontrol.app
-echo -e '\n\n QGroundControl .DMG file is now ready for publishing\n'