autoplay_app.te: remove debugfs write access

This should no longer be necessary due
to https://android-review.googlesource.com/185597

Change-Id: I2cd5fde8f1319684cc558e64ea5cdd230061367e

autoplay_app.te

@@ -50,10 +50,6 @@ allow autoplay_app dalvikcache_data_file:file { execute r_file_perms };
 allow autoplay_app dalvikcache_data_file:lnk_file r_file_perms;
 allow autoplay_app dalvikcache_data_file:dir getattr;
 
-# debugfs access
-allow autoplay_app debugfs:dir r_dir_perms;
-allow autoplay_app debugfs:file w_file_perms;
-
 # Grant GPU access. autoplay_app needs that to render the standard UI.
 allow autoplay_app gpu_device:chr_file rw_file_perms;