Fix golint issues in pkg/registry/.../storage

hack/.golint_failures

@@ -158,27 +158,18 @@ pkg/registry/autoscaling/rest
 pkg/registry/batch/job
 pkg/registry/batch/rest
 pkg/registry/certificates/certificates
-pkg/registry/certificates/certificates/storage
 pkg/registry/certificates/rest
 pkg/registry/coordination/rest
 pkg/registry/core/componentstatus
-pkg/registry/core/endpoint/storage
-pkg/registry/core/event/storage
-pkg/registry/core/limitrange/storage
 pkg/registry/core/namespace
 pkg/registry/core/namespace/storage
 pkg/registry/core/node
-pkg/registry/core/node/storage
 pkg/registry/core/persistentvolume
-pkg/registry/core/persistentvolume/storage
 pkg/registry/core/persistentvolumeclaim
-pkg/registry/core/persistentvolumeclaim/storage
 pkg/registry/core/pod
 pkg/registry/core/pod/rest
-pkg/registry/core/podtemplate/storage
 pkg/registry/core/replicationcontroller
 pkg/registry/core/replicationcontroller/storage
-pkg/registry/core/resourcequota/storage
 pkg/registry/core/rest
 pkg/registry/core/secret
 pkg/registry/core/secret/storage
@@ -194,10 +185,8 @@ pkg/registry/events/rest
 pkg/registry/extensions/controller/storage
 pkg/registry/extensions/rest
 pkg/registry/flowcontrol/rest
-pkg/registry/networking/networkpolicy/storage
 pkg/registry/networking/rest
 pkg/registry/node/rest
-pkg/registry/policy/poddisruptionbudget/storage
 pkg/registry/policy/rest
 pkg/registry/rbac/clusterrole/policybased
 pkg/registry/rbac/clusterrolebinding
@@ -210,11 +199,9 @@ pkg/registry/rbac/rolebinding/policybased
 pkg/registry/rbac/validation
 pkg/registry/registrytest
 pkg/registry/scheduling/rest
-pkg/registry/settings/podpreset/storage
 pkg/registry/settings/rest
 pkg/registry/storage/rest
 pkg/registry/storage/storageclass
-pkg/registry/storage/storageclass/storage
 pkg/scheduler/apis/config/v1alpha1
 pkg/security/podsecuritypolicy
 pkg/security/podsecuritypolicy/group