Revert of [Mojo Video Capture] Hook up video capture service behind a feature flag

services/video_capture/public/cpp/constants.cc

Index: services/video_capture/public/cpp/constants.cc
diff --git a/services/video_capture/public/cpp/constants.cc b/services/video_capture/public/cpp/constants.cc
deleted file mode 100644
index 37a25edead570750b55f64b77fe0ba003c7a1913..0000000000000000000000000000000000000000
--- a/services/video_capture/public/cpp/constants.cc
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2017 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.
-
-#include "services/video_capture/public/cpp/constants.h"
-
-namespace video_capture {
-
-const base::Feature kMojoVideoCapture{"MojoVideoCapture",
-                                      base::FEATURE_DISABLED_BY_DEFAULT};
-
-}  // namespace video_capture