packaging: engine-service: remove %config from limits.d file

there is no sense in adding %config to conf.d file as it can
be overridden in a file with lower priority.

Change-Id: I5f0ebc414fa87f5e944e9d002373f3501638bfd2
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>
packaging: engine-setup re-write using otopi

Change-Id: I4d5e3ac7927802326e324c9b98ada75b421638aa
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>
Signed-off-by: Alex Lourie <alourie@redhat.com>