test: fix pummel/test-net-many-clients.js

client sockets no longer emit 'connect' event inside the
requestListener, update test-net-many-clients to reflect that

test/pummel/test-net-many-clients.js

@@ -37,13 +37,12 @@ for (var i = 0; i < bytes; i++) {
 }
 
 var server = net.createServer(function(c) {
-  c.on('connect', function() {
+  console.log('connected');
   total_connections++;
   common.print('#');
   c.write(body);
   c.end();
 });
-});
 
 function runClient(callback) {
   var client = net.createConnection(common.PORT);