engine: Comment out all LMC related stuff

And simplify the build in general

Change-Id: I42b6e395efb4931b40ce8faf2a6e0d29e06a1a5f
Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>
engine: SELinux permissive and fix firstboot

Change-Id: I778879f35079da5c7d45c3c7037c446ea8770e2f
Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>