Revert "Add support for sysinit and superuser"

This reverts commit ee43183b12f46875bb314b94823d98b219c22205.

Conflicts:
	rootdir/init.rc

Change-Id: I2bfe3a1faa802b2e42890c1b40b0dadb93b5a4a1
Revert "Init.d support"

This reverts commit 0fb665e0232925aad9b3c85e5ee9e6898866d6c1.