DevTools: stop deploying the devtools_frontend.zip (new contributing doc does not require it)

chrome/tools/build/mac/FILES.cfg

 # -*- python -*-
 # ex: set syntax=python:
 
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This is a buildbot configuration file containing a tagged list of files
 # processed by the stage/archive scripts. The known tags are:
 #
@@ skipping 28 matching lines @@
   {
     'filename': 'Google Chrome.app',
     'arch': ['32bit', '64bit'],
     'buildtype': ['official'],
   },
   {
     'filename': 'Google Chrome Packaging',
     'arch': ['32bit', '64bit'],
     'buildtype': ['official'],
   },
-  {
-    'filename': 'devtools_frontend.zip',
-    'arch': ['32bit', '64bit'],
-    'buildtype': ['dev'],
-    'archive': 'devtools_frontend.zip',
-  },
   # Remoting files:
   {
     'filename': 'remoting-webapp.zip',
     'arch': ['32bit', '64bit'],
     'buildtype': ['dev', 'official'],
     'archive': 'remoting-webapp.zip',
   },
   {
     'filename': 'remoting-me2me-host-mac.zip',
     'arch': ['32bit', '64bit'],
     'buildtype': ['dev', 'official'],
     'archive': 'remoting-me2me-host-mac.zip',
   },
   # Symbols archive:
   {
     'filename': 'Google Chrome.dSYM.tar.bz2',
     'arch': ['32bit', '64bit'],
     'buildtype': ['official'],
     'archive': 'Google Chrome.dSYM.tar.bz2',
   },
 ]