[infra] Begin removing gyp

tools/gyp/msvs.gypi

-# 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.
-
-{
-  'target_defaults': {
-    'msvs_configuration_attributes': {
-      # DON'T ADD ANYTHING NEW TO THIS BLOCK UNLESS YOU REALLY REALLY NEED IT!
-      # This block adds *project-wide* configuration settings to each project
-      # file.  It's almost always wrong to put things here. Instead, specify
-      # your custom msvs_configuration_attributes in a target_defaults section
-      # of a .gypi file that is explicitly included.
-      'OutputDirectory': '<(DEPTH)\\build\\$(ConfigurationName)',
-      'IntermediateDirectory': '$(OutDir)\\obj\\$(ProjectName)',
-    },
-  }
-}