Revert "bootanim: add selinux support to read extcon files"

This reverts commit 7dce6fbdf23b8bbe570e83783f3dcbc4752cc4e3.

Reason for revert: Bootanimation reading extcon files is no longer necessary.

Change-Id: I6ea8efe59c15d3e4a1b8886a2fa522cd46851ad1
diff --git a/private/bootanim.te b/private/bootanim.te
index 8c48ed3..fd3a09b 100644
--- a/private/bootanim.te
+++ b/private/bootanim.te
@@ -66,8 +66,4 @@
 allow bootanim system_file:dir r_dir_perms;
 
 # Allow bootanim to send information to statsd socket.
-unix_socket_send(bootanim, statsdw, statsd)
-
-# Allow bootanim to access extcon information.
-allow bootanim sysfs_extcon:dir r_dir_perms;
-allow bootanim sysfs_extcon:file r_file_perms;
+unix_socket_send(bootanim, statsdw, statsd)
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