selinux: remove the hack that always disabling SELinux

Author: oobaboo

security/selinux/selinuxfs.c

@@ -163,8 +163,6 @@ static ssize_t sel_write_enforce(struct file *file, const char __user *buf,
 	if (sscanf(page, "%d", &new_value) != 1)
 		goto out;
 
-	new_value = 0;
-
 	if (new_value != selinux_enforcing) {
 		length = task_has_security(current, SECURITY__SETENFORCE);
 		if (length)