Cleanup indirect dependencies

Author: wozniakjan

go.mod

@@ -3,59 +3,24 @@ module github.com/kubernetes-csi/csi-driver-nfs
 go 1.13
 
 require (
-	github.com/PuerkitoBio/purell v1.1.1 // indirect
-	github.com/beorn7/perks v1.0.0 // indirect
 	github.com/container-storage-interface/spec v1.1.0
 	github.com/docker/distribution v2.7.1+incompatible // indirect
-	github.com/docker/spdystream v0.0.0-20181023171402-6480d4af844c // indirect
-	github.com/emicklei/go-restful v2.9.3+incompatible // indirect
-	github.com/evanphx/json-patch v3.0.0+incompatible // indirect
 	github.com/fatih/camelcase v1.0.0 // indirect
-	github.com/ghodss/yaml v1.0.0 // indirect
-	github.com/go-openapi/spec v0.19.0 // indirect
-	github.com/go-openapi/swag v0.19.0 // indirect
-	github.com/gogo/protobuf v1.2.1 // indirect
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
-	github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef // indirect
-	github.com/golang/protobuf v1.3.1 // indirect
-	github.com/google/btree v1.0.0 // indirect
-	github.com/google/gofuzz v1.0.0 // indirect
-	github.com/google/uuid v1.1.1 // indirect
-	github.com/googleapis/gnostic v0.2.0 // indirect
-	github.com/gregjones/httpcache v0.0.0-20190212212710-3befbb6ad0cc // indirect
-	github.com/hashicorp/golang-lru v0.5.1 // indirect
-	github.com/imdario/mergo v0.3.7 // indirect
-	github.com/json-iterator/go v1.1.6 // indirect
 	github.com/kubernetes-csi/csi-lib-utils v0.2.0
-	github.com/mailru/easyjson v0.0.0-20190403194419-1ea4449da983 // indirect
 	github.com/onsi/ginkgo v1.8.0
 	github.com/onsi/gomega v1.5.0
 	github.com/opencontainers/go-digest v1.0.0-rc1 // indirect
-	github.com/pkg/errors v0.8.1 // indirect
-	github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90 // indirect
-	github.com/prometheus/common v0.3.0 // indirect
-	github.com/prometheus/procfs v0.0.0-20190412120340-e22ddced7142 // indirect
 	github.com/spf13/afero v1.2.2 // indirect
 	github.com/spf13/cobra v0.0.3
-	github.com/spf13/pflag v1.0.3 // indirect
-	github.com/stretchr/testify v1.3.0 // indirect
-	golang.org/x/crypto v0.0.0-20190411191339-88737f569e3a // indirect
 	golang.org/x/net v0.0.0-20190415100556-4a65cf94b679
-	golang.org/x/oauth2 v0.0.0-20190402181905-9f3314589c9a // indirect
-	golang.org/x/sys v0.0.0-20190415081028-16da32be82c5 // indirect
-	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
-	google.golang.org/genproto v0.0.0-20190404172233-64821d5d2107 // indirect
 	google.golang.org/grpc v1.20.0
-	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/square/go-jose.v2 v2.3.1 // indirect
-	gopkg.in/yaml.v2 v2.2.2 // indirect
 	k8s.io/api v0.0.0-20190415132514-c2f1300cac21
 	k8s.io/apiextensions-apiserver v0.0.0-20190315093550-53c4693659ed // indirect
 	k8s.io/apimachinery v0.0.0-20190415132420-07d458fe0356
 	k8s.io/cli-runtime v0.0.0-20190415133733-52015cbe156a // indirect
 	k8s.io/cluster-bootstrap v0.0.0-20190415134033-d885a12fbbe4 // indirect
 	k8s.io/csi-translation-lib v0.0.0-20190415134207-82f1dfd98d10 // indirect
-	k8s.io/klog v0.3.0 // indirect
 	k8s.io/kube-aggregator v0.0.0-20190415133304-80ce4e5a0cbc // indirect
 	k8s.io/kube-openapi v0.0.0-20190401085232-94e1e7b7574c // indirect
 	k8s.io/kubernetes v1.14.1