init.hikey.rc: remove permission setting on /dev/cpuctl

If not, it will cause dac_override avc denial warnings
for logd and healthd since they need to access the file
/dev/cpuctl/tasks in their source

Change-Id: If65d11e7122ef197ba43012c890637df835ce544
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
diff --git a/init.hikey.rc b/init.hikey.rc
index 5c49333..bf16d91 100644
--- a/init.hikey.rc
+++ b/init.hikey.rc
@@ -48,10 +48,6 @@
 # Set supported opengles version
     setprop ro.opengles.version 196608
 
-# change permissions for process groups
-# https://bugs.launchpad.net/bugs/1037611
-    chmod 0660 /dev/cpuctl
-
     # update cpuset now that processors are up
     # Foreground should contain all cores
     write /dev/cpuset/foreground/cpus 0-7