installation_proxy: Remove dead code from uninstall method
installation_proxy: Remove dead code from uninstall method

libimobiledevice-win32/libimobiledevice,libimobiledevice/libimobiledevice,libimobiledevice-win32/libimobiledevice,upbit/libimobiledevice,Tatsh/libimobiledevice,patweb/libimobiledevice,Tatsh/libimobiledevice,libimobiledevice-win32/libimobiledevice,patweb/libimobiledevice,kalev/libimobiledevice,upbit/libimobiledevice,libimobiledevice/libimobiledevice,upbit/libimobiledevice,Tatsh/libimobiledevice,kalev/libimobiledevice,libimobiledevice-win32/libimobiledevice,kalev/libimobiledevice,patweb/libimobiledevice,Tatsh/libimobiledevice