Remove /sys/class/rfkill/rfkill.* lines

These are all symlinks. The restorecon in /sys doesn't follow
symlinks, so these lines have absolutely no effect, and just
serve to confuse people.

Remove them.

Change-Id: I24373fa0308ec700011ed19b1ce29a491d1feff3

file_contexts

@@ -209,8 +209,6 @@
 #
 /sys/qemu_trace(/.*)?	--	u:object_r:sysfs_writable:s0
 /sys/devices/platform/nfc-power/nfc_power -- u:object_r:sysfs_nfc_power_writable:s0
-/sys/class/rfkill/rfkill[0-9]*/state -- u:object_r:sysfs_bluetooth_writable:s0
-/sys/class/rfkill/rfkill[0-9]*/type -- u:object_r:sysfs_bluetooth_writable:s0
 /sys/devices/system/cpu(/.*)?    u:object_r:sysfs_devices_system_cpu:s0
 /sys/power/wake_lock -- u:object_r:sysfs_wake_lock:s0
 /sys/power/wake_unlock -- u:object_r:sysfs_wake_lock:s0