Remove build tags which are already implied by the name of the file.
Ensures build tags are used consistently
Signed-off-by: Derek McGowan <derek@mcg.dev>
The "apparmor" build tag does not have any cgo dependency and can be removed safely.
Related: https://github.com/opencontainers/runc/issues/2704
Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
