Remove Mojo bindings environment.

mojo/environment/BUILD.gn

-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# GYP version: mojo_base.gyp:mojo_environment_chromium
-source_set("chromium") {
-  output_name = "mojo_environment_chromium"
-
-  sources = [
-    "environment.cc",
-
-    # TODO(vtl): This is kind of ugly. (See TODO in logging.h.)
-    "//mojo/public/cpp/environment/async_waiter.h",
-    "//mojo/public/cpp/environment/lib/async_waiter.cc",
-    "//mojo/public/cpp/environment/lib/logging.cc",
-    "//mojo/public/cpp/environment/lib/scoped_task_tracking.cc",
-    "//mojo/public/cpp/environment/lib/scoped_task_tracking.h",
-    "//mojo/public/cpp/environment/logging.h",
-    "//mojo/public/cpp/environment/task_tracker.h",
-  ]
-
-  public_deps = [
-    ":chromium_impl",
-  ]
-
-  deps = [
-    "//mojo/public/c/environment",
-    "//mojo/public/cpp/bindings:callback",
-    "//mojo/public/cpp/environment",
-    "//mojo/public/cpp/system",
-  ]
-}
-
-# GYP version: mojo_base.gyp:mojo_environment_chromium_impl
-component("chromium_impl") {
-  output_name = "mojo_environment_impl"
-  visibility = [ "//mojo/*" ]
-
-  sources = [
-    "default_async_waiter_impl.cc",
-    "default_async_waiter_impl.h",
-    "default_logger_impl.cc",
-    "default_logger_impl.h",
-    "default_run_loop_impl.cc",
-    "default_run_loop_impl.h",
-    "default_task_tracker_impl.cc",
-    "default_task_tracker_impl.h",
-  ]
-
-  defines = [ "MOJO_ENVIRONMENT_IMPL_IMPLEMENTATION" ]
-
-  deps = [
-    "//base",
-    "//base/third_party/dynamic_annotations",
-    "//mojo/message_pump",
-    "//mojo/public/c/system:for_component",
-    "//mojo/public/cpp/environment:environment",
-  ]
-}