sm6375-common: init.mmi.touch: Drop SELinux permissive check

This part of the script causes unnecessary denials to show up when
we are in permissive mode.

Change-Id: I4b1fd469d0f37e8f31c998ee480b51078edd8a99

rootdir/bin/init.mmi.touch.sh

@@ -187,11 +187,10 @@ wait_for_poweron()
 setup_permissions()
 {
 	local bootmode=$(getprop $bootmode_property 2> /dev/null)
-	local selinux=$(getprop ro.boot.selinux 2> /dev/null)
 	local key_path
 	local key_files
 	local entry
-	if [[ ("$selinux" == "permissive") || ("$bootmode" == "mot-factory") ]]; then
+	if [ "$bootmode" == "mot-factory" ]; then
 		debug "loosen permissions to $touch_vendor files"
 		case $touch_vendor in
 			  samsung)	key_path="/sys/devices/virtual/sec/sec_ts/"