Revert "fix definitions of net$Serverver and tls$Server"

This reverts commit 359eea3.

lib/node.js

@@ -1379,15 +1379,8 @@ declare class net$Socket extends stream$Duplex {
 
 declare class net$Server extends events$EventEmitter {
   listen(port?: number, hostname?: string, backlog?: number, callback?: Function): net$Server;
-  listen(port?: number, hostname?: string, callback?: Function): net$Server;
-  listen(port?: number, backlog?: number, callback?: Function): net$Server;
-  listen(port?: number, callback?: Function): net$Server;
-  listen(path: string, backlog?: number, callback?: Function): net$Server;
   listen(path: string, callback?: Function): net$Server;
-  listen(options: net$ListenOptions, callback?: Function): net$Server;
-  listen(handle: Object, backlog?: number, callback?: Function): net$Server;
   listen(handle: Object, callback?: Function): net$Server;
-
   listening: boolean;
   close(callback?: Function): net$Server;
   address(): net$Socket$address;
@@ -1735,16 +1728,6 @@ type tls$connectOptions = {
   requestOCSP?: boolean,
 };
 
-type net$ListenOptions = {
-  port?: number;
-  host?: string;
-  backlog?: number;
-  path?: string;
-  exclusive?: boolean;
-  readableAll?: boolean;
-  writableAll?: boolean;
-}
-
 declare class tls$TLSSocket extends net$Socket {
   constructor(socket: net$Socket, options?: Object): void;
   authorized: boolean;
@@ -1761,15 +1744,8 @@ declare class tls$TLSSocket extends net$Socket {
 
 declare class tls$Server extends net$Server {
   listen(port?: number, hostname?: string, backlog?: number, callback?: Function): tls$Server;
-  listen(port?: number, hostname?: string, callback?: Function): tls$Server;
-  listen(port?: number, backlog?: number, callback?: Function): tls$Server;
-  listen(port?: number, callback?: Function): tls$Server;
-  listen(path: string, backlog?: number, callback?: Function): tls$Server;
   listen(path: string, callback?: Function): tls$Server;
-  listen(options: net$ListenOptions, callback?: Function): tls$Server;
-  listen(handle: Object, backlog?: number, callback?: Function): tls$Server;
   listen(handle: Object, callback?: Function): tls$Server;
-
   close(callback?: Function): tls$Server;
   addContext(hostname: string, context: Object): void;
   getTicketKeys(): Buffer;