go.mod: Move tools into own go.mod

go.mod

@@ -3,15 +3,13 @@ module sigs.k8s.io/metrics-server
 go 1.20
 
 require (
-	github.com/google/addlicense v1.0.0
 	github.com/google/go-cmp v0.5.9
 	github.com/onsi/ginkgo v1.14.0
 	github.com/onsi/gomega v1.27.4
 	github.com/prometheus/common v0.39.0
 	github.com/prometheus/prometheus v0.42.1-0.20230222223527-64ff6bece652
 	github.com/spf13/cobra v1.6.0
 	github.com/spf13/pflag v1.0.5
-	golang.org/x/perf v0.0.0-20210220033136-40a54f11e909
 	k8s.io/api v0.27.2
 	k8s.io/apimachinery v0.27.2
 	k8s.io/apiserver v0.27.2
@@ -20,19 +18,15 @@ require (
 	k8s.io/klog/v2 v2.90.1
 	k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f
 	k8s.io/metrics v0.27.2
-	sigs.k8s.io/logtools v0.4.1
-	sigs.k8s.io/mdtoc v1.0.1
 )
 
 require (
 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
-	github.com/BurntSushi/toml v0.3.1 // indirect
 	github.com/NYTimes/gziphandler v1.1.1 // indirect
 	github.com/antlr/antlr4/runtime/Go/antlr v1.4.10 // indirect
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/blang/semver/v4 v4.0.0 // indirect
-	github.com/bmatcuk/doublestar/v4 v4.0.2 // indirect
 	github.com/cenkalti/backoff/v4 v4.2.0 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/coreos/go-semver v0.3.0 // indirect
@@ -51,7 +45,6 @@ require (
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/gomarkdown/markdown v0.0.0-20200824053859-8c8b3816f167 // indirect
 	github.com/google/cel-go v0.12.6 // indirect
 	github.com/google/gnostic v0.5.7-v3refs // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
@@ -66,7 +59,6 @@ require (
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/mmarkdown/mmark v2.0.40+incompatible // indirect
 	github.com/moby/spdystream v0.2.0 // indirect
 	github.com/moby/term v0.0.0-20221205130635-1aeaba878587 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
@@ -95,16 +87,13 @@ require (
 	go.uber.org/multierr v1.6.0 // indirect
 	go.uber.org/zap v1.19.0 // indirect
 	golang.org/x/crypto v0.1.0 // indirect
-	golang.org/x/exp v0.0.0-20230124195608-d38c7dcee874 // indirect
-	golang.org/x/mod v0.9.0 // indirect
 	golang.org/x/net v0.8.0 // indirect
 	golang.org/x/oauth2 v0.4.0 // indirect
 	golang.org/x/sync v0.1.0 // indirect
 	golang.org/x/sys v0.6.0 // indirect
 	golang.org/x/term v0.6.0 // indirect
 	golang.org/x/text v0.8.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
-	golang.org/x/tools v0.7.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20230124163310-31e0e69b6fc2 // indirect
 	google.golang.org/grpc v1.53.0 // indirect
@@ -114,7 +103,6 @@ require (
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/gengo v0.0.0-20220902162205-c0856e24416d // indirect
 	k8s.io/kms v0.27.2 // indirect
 	k8s.io/utils v0.0.0-20230209194617-a36077c30491 // indirect
 	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.1.2 // indirect