Remove deprecated aliases

These are no longer used.

Test: build aosp_marlin
Bug: 34980020
Change-Id: I04e4aa2322fcdf5945b99967d88287c353b9a6ae

private/file.te

-# Compatibility with type names used in vanilla Android 4.3 and 4.4.
-typealias audio_data_file alias audio_firmware_file;
-typealias app_data_file alias platform_app_data_file;
-typealias app_data_file alias download_file;
-
 # /proc/config.gz
 type config_gz, fs_type;