Implement RoutingProxy.prototype.remove

Author: tellnes

Diff for: lib/node-http-proxy/routing-proxy.js

@@ -120,7 +120,11 @@ RoutingProxy.prototype.add = function (options) {
 // for the specified `options.host` and `options.port` (if they exist).
 //
 RoutingProxy.prototype.remove = function (options) {
-  var key = this._getKey(options);
+  var key = this._getKey(options),
+      proxy = this.proxies[key];
+
+  delete this.proxies[key];
+  return proxy;
 };
 
 //