net: remove unnecessary variables

PR-URL: #20864 Reviewed-By: Anatoli Papirovski <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]> Reviewed-By: Tobias Nießen <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Daniel Bevenius <[email protected]>

Author: chainhelen

lib/net.js

@@ -1416,8 +1416,7 @@ Server.prototype.listen = function(...args){
 thrownewERR_SERVER_ALREADY_LISTEN();
 }
 
-varhasCallback=(cb!==null);
-if(hasCallback){
+if(cb!==null){
 this.once('listening',cb);
 }
 varbacklogFromArgs=
@@ -1704,7 +1703,7 @@ if (process.platform === 'win32'){
 }
 };
 }else{
-_setSimultaneousAccepts=function(handle){};
+_setSimultaneousAccepts=function(){};
 }
 
 module.exports={