Revert of Add download_file_types.proto with ascii->binary conversion, as a resource.

chrome/browser/resources/safe_browsing/BUILD.gn

-# 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.
-
-# Generate the binary proto form of "file_types" from the ascii proto.
-action("make_file_types_protobuf") {
-  script = "gen_file_type_proto.py"
-
-  # The output goes in $target_gen_dir since that's where
-  # chrome/browser/browser_resources.grd will look for it.
-
-  input_filename = "download_file_types.asciipb"
-  output_filename = "$target_gen_dir/download_file_types.pb"
-  python_path = "$root_build_dir/pyproto/chrome/common/safe_browsing"
-
-  inputs = [
-    script,
-    input_filename,
-  ]
-
-  # This script requires the generated python proto code
-  deps = [
-    "//chrome/common/safe_browsing:proto",
-  ]
-
-  outputs = [
-    output_filename,
-  ]
-
-  args = [
-    "-i",
-    rebase_path(input_filename, root_build_dir),
-    "-o",
-    rebase_path(output_filename, root_build_dir),
-    "-p",
-    rebase_path(python_path, root_build_dir),
-  ]
-}