test: remove next-tick-loops-quick

Scheduling of next ticks from within the next tick handler will result
in a tight execution loop where a timer cannot break into.

This test was invalid

test/pummel/test-next-tick-loops-quick.js

@@ -1,48 +0,0 @@
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-
-
-
-var common = require('../common');
-var assert = require('assert');
-
-// Regression test GH-511: https://github.com/joyent/node/issues/issue/511
-// Make sure nextTick loops quickly
-
-setTimeout(function() {
-  t = Date.now() - t;
-  STOP = 1;
-  console.log(['ctr: ', ctr, ', t:', t, 'ms -> ', (ctr / t).toFixed(2), 'KHz']
-         .join(''));
-  assert.ok(ctr > 1000);
-}, 2000);
-
-var ctr = 0;
-var STOP = 0;
-var t = Date.now() + 2;
-while (t > Date.now()); //get in sync with clock
-
-(function foo() {
-  if (STOP) return;
-  process.nextTick(foo);
-  ctr++;
-})();