Remove checkout of nss_pkcs12 to dart/third_party from DEPS.

all.deps/DEPS

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 vars = {
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   "googlecode_url": "http://%s.googlecode.com/svn",
 
   "gyp_rev": "@1617",
@@ skipping 15 matching lines @@
   "d8_rev" : "@26311",
   "eclipse_rev" : "@26068",
   "fest_rev" : "@19997",
   "firefox_jsshell_rev" : "@25263",
   "gsutil_rev" : "@19997",
   "guava_rev" : "@19997",
   "hamcrest_rev" : "@19997",
   "json_rev" : "@19997",
   "junit_rev" : "@19997",
   "mockito_rev" : "@19997",
-  "nss_pkcs12_rev" : "@26000",
   "snakeyaml_rev" : "@19997",
   "stripjar_rev" : "@20110",
   "WebCore_rev" : "@26378",
   "weberknecht_rev" : "@19997",
 }
 
 deps = {
   "dart":
     "/branches/bleeding_edge/dart",
 
@@ skipping 34 matching lines @@
   "dart/third_party/eclipse": "/third_party/eclipse" + Var("eclipse_rev"),
   "dart/third_party/fest": "/third_party/fest" + Var("fest_rev"),
   "dart/third_party/firefox_jsshell":
       "/third_party/firefox_jsshell" + Var("firefox_jsshell_rev"),
   "dart/third_party/gsutil": "/third_party/gsutil" + Var("gsutil_rev"),
   "dart/third_party/guava": "/third_party/guava" + Var("guava_rev"),
   "dart/third_party/hamcrest": "/third_party/hamcrest" + Var("hamcrest_rev"),
   "dart/third_party/json": "/third_party/json" + Var("json_rev"),
   "dart/third_party/junit": "/third_party/junit" + Var("junit_rev"),
   "dart/third_party/mockito": "/third_party/mockito" + Var("mockito_rev"),
-  "dart/third_party/nss_pkcs12":
-      "/third_party/nss_pkcs12" + Var("nss_pkcs12_rev"),
   "dart/third_party/snakeyaml": "/third_party/snakeyaml" + Var("snakeyaml_rev"),
   "dart/third_party/stripjar": "/third_party/stripjar" + Var("stripjar_rev"),
   "dart/third_party/d8": "/third_party/d8" + Var("d8_rev"),
   "dart/third_party/WebCore": "/third_party/WebCore" + Var("WebCore_rev"),
   "dart/third_party/weberknecht":
       "/third_party/weberknecht" + Var("weberknecht_rev"),
 }
 
 deps_os = {
   "android": {
@@ skipping 19 matching lines @@
   },
   {
     "pattern": ".",
     "action": ["python", "dart/editor/build/generate_sources.py"],
   },
   {
     "pattern": ".",
     "action": ["python", "dart/tools/gyp_dart.py"],
   },
 ]