Revert "sepolicy: Label idle_state node"

This reverts commit 4479f08d1996c1a25a77c8e2fcb653836470607e.

Change-Id: Iecfb9e94e65e45597a43256eb877fb8c8a8f4717
diff --git a/legacy/vendor/common/file_contexts b/legacy/vendor/common/file_contexts
index 81d6b5e..ce8b856 100644
--- a/legacy/vendor/common/file_contexts
+++ b/legacy/vendor/common/file_contexts
@@ -381,7 +381,6 @@
 /sys/devices/soc/qpnp-vadc-[0-9]+(/.*)?                             u:object_r:sysfs_vadc_dev:s0
 /sys/bus/spmi/devices(/.*)?                                         u:object_r:sysfs_spmi_dev:s0
 /sys/kernel/irq_helper/irq_blacklist_on                             u:object_r:vendor_sysfs_irqbalance:s0
-/sys/devices/virtual/graphics/fb([0-3])+/idle_state                 u:object_r:sysfs_graphics:s0
 /sys/devices/virtual/graphics/fb([0-3])+/idle_time                  u:object_r:sysfs_graphics:s0
 /sys/devices/virtual/graphics/fb([0-3])+/dynamic_fps                u:object_r:sysfs_graphics:s0
 /sys/devices/virtual/graphics/fb([0-3])+/product_description        u:object_r:sysfs_graphics:s0