Remove Mojo bindings environment.

mojo/public/interfaces/bindings/tests/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.
 
 import("../../../tools/bindings/mojom.gni")
 
 mojom("test_interfaces") {
   testonly = true
   sources = [
     "math_calculator.mojom",
     "no_module.mojom",
     "ping_service.mojom",
     "rect.mojom",
     "regression_tests.mojom",
     "sample_factory.mojom",
     "sample_import.mojom",
     "sample_import2.mojom",
     "sample_interfaces.mojom",
     "sample_service.mojom",
     "scoping.mojom",
     "serialization_test_structs.mojom",
     "test_constants.mojom",
     "test_native_types.mojom",
     "test_structs.mojom",
     "test_sync_methods.mojom",
     "validation_test_interfaces.mojom",
   ]
-
-  with_environment = false
 }
 
 mojom("test_struct_traits_interfaces") {
   testonly = true
   sources = [
     "struct_with_traits.mojom",
   ]
 
   typemaps = [ "struct_with_traits.typemap" ]
-
-  with_environment = false
 }
 
 mojom("test_interfaces_experimental") {
   testonly = true
   sources = [
     "test_unions.mojom",
   ]
-
-  with_environment = false
 }
 
 mojom("test_associated_interfaces") {
   # These files are not included in the test_interfaces target because
   # associated interfaces are not supported by all bindings languages yet.
   testonly = true
   sources = [
     "test_associated_interfaces.mojom",
     "validation_test_associated_interfaces.mojom",
   ]
-
-  with_environment = false
 }
 
 mojom("versioning_test_service_interfaces") {
   # FIXME: Dart packaged applications cannot depend on testonly mojoms.
   # testonly = true
   sources = [
     "versioning_test_service.mojom",
   ]
-
-  with_environment = false
 }
 
 mojom("versioning_test_client_interfaces") {
   # FIXME: Dart packaged applications cannot depend on testonly mojoms.
   # testonly = true
   sources = [
     "versioning_test_client.mojom",
   ]
-
-  with_environment = false
 }
 
 mojom("test_interfaces_chromium") {
   testonly = true
 
   sources = [
     "test_native_types.mojom",
   ]
 
   variant = "chromium"
   typemaps = [ "chromium_test.typemap" ]
 
-  with_environment = false
-
   public_deps = [
     ":test_interfaces",
   ]
 }
 
 mojom("test_interfaces_blink") {
   testonly = true
 
   sources = [
     "test_native_types.mojom",
   ]
 
   variant = "blink"
   typemaps = [ "blink_test.typemap" ]
 
-  with_environment = false
-
   public_deps = [
     ":test_interfaces",
   ]
 }