Remove //third_party/okhttp.

third_party/okhttp/BUILD.gn

Index: third_party/okhttp/BUILD.gn
diff --git a/third_party/okhttp/BUILD.gn b/third_party/okhttp/BUILD.gn
deleted file mode 100644
index d84c51cad1601da0c35ff48ad86dda1106b1917e..0000000000000000000000000000000000000000
--- a/third_party/okhttp/BUILD.gn
+++ /dev/null
@@ -1,17 +0,0 @@
-# Copyright 2015 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("//build/config/android/rules.gni")
-
-android_java_prebuilt("okio") {
-  jar_path = "okio-1.2.0.jar"
-}
-
-android_java_prebuilt("okhttp") {
-  jar_path = "okhttp-2.2.0.jar"
-
-  deps = [
-    ":okio",
-  ]
-}