Revert "sepolicy: Label idle_state node"

This reverts commit 51d7168ee2365a61e06255fca697d617e99290b9.

Change-Id: I9a664d74625fafc36fa51e5f8b4f6737f7313c9d
diff --git a/generic/vendor/common/file_contexts b/generic/vendor/common/file_contexts
index f2df301..3e262f1 100644
--- a/generic/vendor/common/file_contexts
+++ b/generic/vendor/common/file_contexts
@@ -489,7 +489,6 @@
 # vendor_sysfs_graphics
 /sys/class/graphics/fb0/mdp/caps                                    u:object_r:vendor_sysfs_graphics:s0
 /sys/class/thermal(/.*)?                                            u:object_r:sysfs_thermal:s0
-/sys/devices/virtual/graphics/fb([0-3])+/idle_state                 u:object_r:vendor_sysfs_graphics:s0
 /sys/devices/virtual/graphics/fb([0-3])+/idle_time                  u:object_r:vendor_sysfs_graphics:s0
 /sys/devices/virtual/graphics/fb([0-3])+/dynamic_fps                u:object_r:vendor_sysfs_graphics:s0
 /sys/devices/virtual/graphics/fb([0-3])+/product_description        u:object_r:vendor_sysfs_graphics:s0