Revert "selinux: label mac address in sysfs"

This reverts commit ce721a56bf854a4bbae8f7c8b0bb821181d85dc0.

Change-Id: I81928f3ba9dbba91fa2360f615ab726ee78355a8
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
index 04531a6..bfbfbf5 100644
--- a/sepolicy/file_contexts
+++ b/sepolicy/file_contexts
@@ -163,8 +163,5 @@
 /sys/devices/cycapsense_prog.1/cycapsense_fw             u:object_r:sysfs_capsense_update:s0
 /sys/devices/mmi_sar_ctrl.[0-9]*/sar_wifi                u:object_r:sysfs_sar_wifi:s0
 
-# wifi mac address
-/sys/devices/virtual/net/wlan0/address                   u:object_r:sysfs_mac_address:s0
-
 /system/bin/imsdatadaemon                       u:object_r:ims_exec:s0
 /system/bin/imsqmidaemon                        u:object_r:ims_exec:s0