Revert "Moves the 'import_*.config' files in dart-sdk into a new directory"

dart.gyp

 # 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.
 
 {
   'variables': {
     # These variables are used in the creation of the .vcproj file on
     # Windows.
     'cygwin_dir': 'third_party/cygwin',
   },
@@ skipping 24 matching lines @@
         }],
       ],
       'dependencies': [
         'runtime',
       ],
       'actions': [
         {
           'action_name': 'create_sdk_py',
           'inputs': [
             '<!@(["python", "frog/scripts/list_frog_files.py", "frog"])',
-            'lib/_internal/config/import_any.config',
-            'lib/_internal/config/import_dart2js.config',
-            'lib/_internal/config/import_dartium.config',
-            'lib/_internal/config/import_frog.config',
-            'lib/_internal/config/import_vm.config',
             # TODO(dgrove) - change these to dependencies and add dom
             # dependences once issues 754 and 755 are fixed
             'lib/html/html_frog.dart',
             'lib/html/html_dartium.dart',
             'lib/dom/dom.dart',
             'lib/dom/src',
             'frog/scripts/bootstrap/frogc',
             'tools/create_sdk.py',
           ],
           'outputs': [
@@ skipping 52 matching lines @@
     },
     {
       'target_name': 'api_docs',
       'type': 'none',
       'dependencies': [
         'utils/apidoc/apidoc.gyp:api_docs',
       ],
     }
   ],
 }