Revert "test-fs-watch: Add faster failure, and link to #2813"

This reverts commit 9a6f936c8a.

test/simple/test-fs-watch.js

@@ -24,14 +24,6 @@ var assert = require('assert');
 var path = require('path');
 var fs = require('fs');
 
-
-if (process.platform === 'darwin') {
-  assert(false,
-         'This test is known to fail on OS X\n' +
-         'See: https://github.com/joyent/node/issues/2813');
-}
-
-
 var expectFilePath = process.platform == 'win32' || process.platform == 'linux';
 
 var watchSeenOne = 0;