package/docker-engine: remove non-existing build tags

The seccomp and apparmor build tags have been removed in 23.0.0. Don't
use those buildtags anymore.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Christian Stewart <christian@paral.in>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>