Remove pthreads from build and installer files.

DEPS

 vars = {
   "webkit_trunk":
     "http://svn.webkit.org/repository/webkit/trunk",
   "webkit_revision": "49321",
   "ffmpeg_revision": "27457",
 }
 
 deps = {
   "src/breakpad/src":
     "http://google-breakpad.googlecode.com/svn/trunk/src@402",
@@ skipping 89 matching lines @@
   "win": {
     "src/third_party/cygwin":
       "/trunk/deps/third_party/cygwin@11984",
 
     "src/third_party/python_24":
       "/trunk/deps/third_party/python_24@22967",
 
     "src/third_party/ffmpeg/binaries/chromium/win/ia32":
       "/trunk/deps/third_party/ffmpeg/binaries/win@" + Var("ffmpeg_revision"),
 
-    "src/third_party/pthreads-win32":
-      "/trunk/deps/third_party/pthreads-win32@26716",
-
     # Chrome Frame related deps
     "src/third_party/xulrunner-sdk":
       "/trunk/deps/third_party/xulrunner-sdk@17887",
     "src/chrome_frame/tools/test/reference_build/chrome":
       "/trunk/deps/reference_builds/chrome_frame@27181",
   },
   "mac": {
     "src/third_party/GTM":
       "http://google-toolbox-for-mac.googlecode.com/svn/trunk@223",
     "src/third_party/pdfsqueeze":
@@ skipping 77 matching lines @@
                "$matching_files"],
   },
   {
     # Workaround XCode dependecies problem.
     # TODO(bradnelson): remove this when fixed.
     "pattern": ".",
     "action": ["python",
                "src/build/mac/clobber_generated_headers.py"],
   },
 ]