init re-execs to set its security context now.

Change-Id: I0a014f8dddfe775159903b5d6fa632733fef692c
diff --git a/etc/init.rc b/etc/init.rc
index c78a44a..6c07c60 100644
--- a/etc/init.rc
+++ b/etc/init.rc
@@ -1,13 +1,6 @@
 import /init.recovery.${ro.hardware}.rc
 
 on early-init
-    # Apply strict SELinux checking of PROT_EXEC on mmap/mprotect calls.
-    write /sys/fs/selinux/checkreqprot 0
-
-    # Set the security context for the init process.
-    # This should occur before anything else (e.g. ueventd) is started.
-    setcon u:r:init:s0
-
     start ueventd
     start healthd