systemmgr: Remove state management

With the switch to systemd this isn't needed anymore.

A small bit remains allowing the obmcutil cmdline to
continue reporing the familiar states for now.

Change-Id: I4c9a0201e0237fdcbd4f69f0de05c92f223827f0
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
1 file changed