Revert "Add support for sysinit and superuser"

This reverts commit 02cbdcba1435afbc334bbfc5cf58995ebb6fdac0.
Revert "Init.d support"

This reverts commit 0909c0f4a530eddeb0dfcd011a7a141dc46a7ce4.
Revert "lets use linux default value for sched_latency_ns"

This reverts commit 380d92330df3b3b642631851c7db6ae4ac7a93d0.
lets use linux default value for sched_latency_ns

this was a tweak I used in ATOM-422.  it sets the minimum time a task will
be allowed to run on CPU before being pre-emptied out. The stock value for
Linux is 4 ms. the stock value for android is 10 ms.

Change-Id: I8fb11a25a0daa618b6e3353b2d316e02d15e57a2

Conflicts:
	rootdir/init.rc
Turn off entropy source