Remove containerd runtime implementation

- unused
- incomplete
- caused issues building on Windows due to dependencies

CHANGELOG.md

@@ -21,6 +21,7 @@
 
 - docs: fix typo in stop command help text (#513, @searsaw)
 - ci/ghaction: AUR (pre-)release now on Ubuntu 20.04 and latest archlinux image
+- REMOVE incomplete and unused `containerd` runtime from codebase, as it was causing issues to build for windows and hasn't made any progress in quite some time now
 
 ## v4.2.0
 

go.mod

@@ -5,26 +5,18 @@ go 1.16
 require (
 	github.com/Microsoft/go-winio v0.4.17-0.20210211115548-6eac466e5fa3 // indirect
 	github.com/Microsoft/hcsshim v0.8.14 // indirect
-	github.com/Microsoft/hcsshim/test v0.0.0-20201218223536-d3e5debf77da // indirect
 	github.com/containerd/cgroups v0.0.0-20210114181951-8a68de567b68 // indirect
-	github.com/containerd/containerd v1.4.3
+	github.com/containerd/containerd v1.4.4 // indirect
 	github.com/containerd/continuity v0.0.0-20210208174643-50096c924a4e // indirect
-	github.com/containerd/fifo v0.0.0-20210129194248-f8e8fdba47ef // indirect
-	github.com/containerd/go-runc v0.0.0-20201020171139-16b287bc67d0 // indirect
-	github.com/containerd/ttrpc v1.0.2 // indirect
-	github.com/containerd/typeurl v1.0.1 // indirect
 	github.com/docker/cli v20.10.5+incompatible
 	github.com/docker/distribution v2.7.1+incompatible // indirect
 	github.com/docker/docker v20.10.5+incompatible
 	github.com/docker/go-connections v0.4.0
 	github.com/go-test/deep v1.0.4
-	github.com/gogo/googleapis v1.4.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/google/uuid v1.2.0 // indirect
 	github.com/heroku/docker-registry-client v0.0.0-20190909225348-afc9e1acc3d5
 	github.com/imdario/mergo v0.3.11
 	github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de
-	github.com/magefile/mage v1.11.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/mitchellh/mapstructure v1.3.3 // indirect
 	github.com/moby/sys/mount v0.2.0 // indirect
@@ -34,8 +26,7 @@ require (
 	github.com/opencontainers/runc v1.0.0-rc93 // indirect
 	github.com/pelletier/go-toml v1.8.0 // indirect
 	github.com/pkg/errors v0.9.1
-	github.com/prometheus/procfs v0.2.0 // indirect
-	github.com/sirupsen/logrus v1.8.0
+	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/afero v1.3.4 // indirect
 	github.com/spf13/cast v1.3.1 // indirect
 	github.com/spf13/cobra v1.1.3
@@ -44,13 +35,12 @@ require (
 	github.com/stretchr/testify v1.7.0 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	github.com/xeipuuv/gojsonschema v1.2.0
-	go.etcd.io/bbolt v1.3.5 // indirect
 	go.opencensus.io v0.23.0 // indirect
 	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 // indirect
+	golang.org/x/sys v0.0.0-20210309074719-68d13333faf2 // indirect
 	golang.org/x/text v0.3.5 // indirect
-	google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb // indirect
+	google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e // indirect
 	google.golang.org/grpc v1.36.0 // indirect
 	gopkg.in/ini.v1 v1.58.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0