contextify: remove useless header file

fix #7910

node.gyp

@@ -126,7 +126,6 @@
         'src/node.h',
         'src/node_buffer.h',
         'src/node_constants.h',
-        'src/node_contextify.h',
         'src/node_file.h',
         'src/node_http_parser.h',
         'src/node_internals.h',

src/node_contextify.h

@@ -1,35 +0,0 @@
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SRC_NODE_CONTEXTIFY_H_
-#define SRC_NODE_CONTEXTIFY_H_
-
-#include "node.h"
-#include "v8.h"
-#include "uv.h"
-
-namespace node {
-
-void InitContextify(v8::Handle<v8::Object> target);
-
-}  // namespace node
-
-#endif  // SRC_NODE_CONTEXTIFY_H_