Update go dependencies (#2234)

vendor/github.com/emicklei/go-restful/web_service_container.go

@@ -1,39 +0,0 @@
-package restful
-
-// Copyright 2013 Ernest Micklei. All rights reserved.
-// Use of this source code is governed by a license
-// that can be found in the LICENSE file.
-
-import (
-	"net/http"
-)
-
-// DefaultContainer is a restful.Container that uses http.DefaultServeMux
-var DefaultContainer *Container
-
-func init() {
-	DefaultContainer = NewContainer()
-	DefaultContainer.ServeMux = http.DefaultServeMux
-}
-
-// If set the true then panics will not be caught to return HTTP 500.
-// In that case, Route functions are responsible for handling any error situation.
-// Default value is false = recover from panics. This has performance implications.
-// OBSOLETE ; use restful.DefaultContainer.DoNotRecover(true)
-var DoNotRecover = false
-
-// Add registers a new WebService add it to the DefaultContainer.
-func Add(service *WebService) {
-	DefaultContainer.Add(service)
-}
-
-// Filter appends a container FilterFunction from the DefaultContainer.
-// These are called before dispatching a http.Request to a WebService.
-func Filter(filter FilterFunction) {
-	DefaultContainer.Filter(filter)
-}
-
-// RegisteredWebServices returns the collections of WebServices from the DefaultContainer
-func RegisteredWebServices() []*WebService {
-	return DefaultContainer.RegisteredWebServices()
-}