test: fix flaky test-force-repl-with-eval

Remove the timer just in case the test takes longer to complete.

PR-URL: https://github.com/nodejs/node/pull/9460
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

test/parallel/test-force-repl-with-eval.js

@@ -1,14 +1,11 @@
 'use strict';
-const common = require('../common');
+require('../common');
 const assert = require('assert');
 const spawn = require('child_process').spawn;
 
 // spawn a node child process in "interactive" mode (force the repl) and eval
 const cp = spawn(process.execPath, ['-i', '-e', 'console.log("42")']);
 var gotToEnd = false;
-const timeoutId = setTimeout(function() {
-  throw new Error('timeout!');
-}, common.platformTimeout(1000)); // give node + the repl 1 second to boot up
 
 cp.stdout.setEncoding('utf8');
 
@@ -16,7 +13,6 @@ var output = '';
 cp.stdout.on('data', function(b) {
   output += b;
   if (output === '> 42\n') {
-    clearTimeout(timeoutId);
     gotToEnd = true;
     cp.kill();
   }