Remove sys/class/leds permissions from dumpstate.

These are device specific.

Bug: 70846424
Test: bugreport
Change-Id: Ic22c972f1b09988a8eccf0823dd0d87fc0c0a1f7

public/dumpstate.te

@@ -253,11 +253,6 @@ r_dir_file(dumpstate, sysfs)
 # Allow dumpstate to run top
 allow dumpstate proc_stat:file r_file_perms;
 
-# Allow dumpstate to read backlight details
-allow dumpstate sysfs_leds:lnk_file r_file_perms;
-allow dumpstate sysfs_leds:file r_file_perms;
-allow dumpstate sysfs_leds:dir search;
-
 # Allow dumpstate to talk to installd over binder
 binder_call(dumpstate, installd);