Remove unused expired certificate, and database, from pub.

tools/create_sdk.py

Index: tools/create_sdk.py
diff --git a/tools/create_sdk.py b/tools/create_sdk.py
index 97b14a49e20a8ab56eda77724701204bead7812e..5261e7170e9668b9b3ea0b068be8c9f922525740 100755
--- a/tools/create_sdk.py
+++ b/tools/create_sdk.py
@@ -195,7 +195,6 @@ def Main(argv):
   for library in [join('_chrome', 'dart2js'), join('_chrome', 'dartium'),
                   join('_internal', 'compiler'),
                   join('_internal', 'dartdoc'),
-                  join('_internal', 'pub', 'resource'),
                   join('_internal', 'lib'),
                   'async', 'collection', '_collection_dev', 'convert',
                   'core', 'crypto', 'io', 'isolate',
@@ -231,8 +230,10 @@ def Main(argv):
 
   # Copy in 7zip for Windows.
   if HOST_OS == 'win32':
+    RESOURCE = join(SDK_tmp, 'lib', '_internal', 'pub', 'resource')
+    os.makedirs(RESOURCE)
     copytree(join(HOME, 'third_party', '7zip'),
-             join(SDK_tmp, 'lib', '_internal', 'pub', 'resource', '7zip'),
+             join(RESOURCE, '7zip'),
              ignore=ignore_patterns('.svn'))
 
   # Copy dart2js/dartdoc/pub.