Re-enabling building on Windows.

This has been fixed now in the GitHub repo.

TEST=grunt build on win workstation and full test run.
BUG=455758
R=kjellander@chromium.org

Review URL: https://codereview.chromium.org/906313002

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/webrtc/webrtc.DEPS@293991 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
diff --git a/build_apprtc_appengine_app.py b/build_apprtc_appengine_app.py
index 40c0eb2..c1f91b2 100755
--- a/build_apprtc_appengine_app.py
+++ b/build_apprtc_appengine_app.py
@@ -55,10 +55,6 @@
     return ('Missing grunt-cli in the apprtc checkout; did '
             'npm install fail?')
 
-  if utils.GetPlatform() is 'win':
-    # https://github.com/webrtc/apprtc/issues/48
-    print 'grunt build is broken on win; cannot build apprtc'
-    return
   utils.RunSubprocessWithRetry([node_bin, local_grunt_bin, 'build'])