Remove //third_party/brotli and //third_party/ots.

third_party/brotli/BUILD.gn

Index: third_party/brotli/BUILD.gn
diff --git a/third_party/brotli/BUILD.gn b/third_party/brotli/BUILD.gn
deleted file mode 100644
index 11f2871e9d430765fe7ff05f8f884d55d302fd60..0000000000000000000000000000000000000000
--- a/third_party/brotli/BUILD.gn
+++ /dev/null
@@ -1,28 +0,0 @@
-# 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.
-
-source_set("brotli") {
-  sources = [
-    "dec/bit_reader.c",
-    "dec/bit_reader.h",
-    "dec/context.h",
-    "dec/decode.c",
-    "dec/decode.h",
-    "dec/dictionary.h",
-    "dec/huffman.c",
-    "dec/huffman.h",
-    "dec/prefix.h",
-    "dec/safe_malloc.c",
-    "dec/safe_malloc.h",
-    "dec/streams.c",
-    "dec/streams.h",
-    "dec/transform.h",
-    "dec/types.h",
-  ]
-
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-
-  include_dirs = [ "dec" ]
-}