Revert of discardable_memory: Using mojo IPC to replace Chrome IPC

components/discardable_memory/public/interfaces/BUILD.gn

Index: components/discardable_memory/public/interfaces/BUILD.gn
diff --git a/components/discardable_memory/public/interfaces/BUILD.gn b/components/discardable_memory/public/interfaces/BUILD.gn
deleted file mode 100644
index 0ce0a31e41627ba48b7a015a83a4d35fb8a8df1c..0000000000000000000000000000000000000000
--- a/components/discardable_memory/public/interfaces/BUILD.gn
+++ /dev/null
@@ -1,17 +0,0 @@
-# Copyright 2016 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("//mojo/public/tools/bindings/mojom.gni")
-import("//testing/test.gni")
-
-mojom("interfaces") {
-  sources = [
-    "discardable_shared_memory_manager.mojom",
-  ]
-
-  import_dirs = [
-    get_path_info("../../../..", "abspath"),
-    "//mojo/services",
-  ]
-}