chore: drop unused package

It was implemented to support Firecracker which wasn't able to load
compressed Linux kernels.

Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>

go.mod

@@ -22,7 +22,7 @@ require (
 	k8s.io/apiserver v0.23.0-alpha.4 // indirect
 	k8s.io/cli-runtime v0.23.0-alpha.4 // indirect
 	k8s.io/client-go v0.23.0-alpha.4
-	k8s.io/component-base v0.23.0-alpha.4 // indirect
+	k8s.io/component-base v0.23.0-alpha.4
 	k8s.io/cri-api v0.23.0-alpha.4
 	k8s.io/kubectl v0.23.0-alpha.4
 	k8s.io/kubelet v0.23.0-alpha.4
@@ -36,7 +36,6 @@ require (
 	github.com/containerd/cgroups v1.0.2
 	github.com/containerd/containerd v1.5.8
 	github.com/containerd/cri v1.19.0
-	github.com/containerd/go-cni v1.1.0
 	github.com/containerd/typeurl v1.0.2
 	github.com/containernetworking/cni v1.0.1
 	github.com/containernetworking/plugins v1.0.1
@@ -79,7 +78,6 @@ require (
 	github.com/rs/xid v1.3.0
 	github.com/ryanuber/columnize v2.1.2+incompatible
 	github.com/scaleway/scaleway-sdk-go v1.0.0-beta.7
-	github.com/smira/go-xz v0.0.0-20201019130106-9921ed7a9935
 	github.com/spf13/cobra v1.2.1
 	github.com/stretchr/testify v1.7.0
 	github.com/talos-systems/crypto v0.3.4
@@ -152,6 +150,7 @@ require (
 	github.com/cilium/ebpf v0.7.0 // indirect
 	github.com/containerd/continuity v0.1.0 // indirect
 	github.com/containerd/fifo v1.0.0 // indirect
+	github.com/containerd/go-cni v1.1.0 // indirect
 	github.com/containerd/ttrpc v1.1.0 // indirect
 	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect

go.sum

@@ -1003,8 +1003,6 @@ github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1
 github.com/smartystreets/goconvey v0.0.0-20190330032615-68dc04aab96a/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
-github.com/smira/go-xz v0.0.0-20201019130106-9921ed7a9935 h1:64eGQ94st1udqkO66IaMG05KGThUJcXHqyE6UeKQBoE=
-github.com/smira/go-xz v0.0.0-20201019130106-9921ed7a9935/go.mod h1:smSuTvETRIkX95VAIWBdKoGJuUxif7NT7FgbkpVqOiA=
 github.com/smira/tcpproxy v0.0.0-20201015133617-de5f7797b95b h1:95WXQlM2dDPgIXTlnpwiJPa0l0ipl1RwMvdy8KLUyH8=
 github.com/smira/tcpproxy v0.0.0-20201015133617-de5f7797b95b/go.mod h1:yDIWrelwlTRXdKvQqqQ+8lCwCjbSRtkat49REnui7hk=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=