Remove all blimp client code.

blimp/client/core/switches/BUILD.gn

Index: blimp/client/core/switches/BUILD.gn
diff --git a/blimp/client/core/switches/BUILD.gn b/blimp/client/core/switches/BUILD.gn
deleted file mode 100644
index fc82d3f7024bd92d64dac00fa7262dcb31ee1153..0000000000000000000000000000000000000000
--- a/blimp/client/core/switches/BUILD.gn
+++ /dev/null
@@ -1,26 +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.
-
-if (is_android) {
-  import("//build/config/android/config.gni")
-  import("//build/config/android/rules.gni")
-}
-
-source_set("switches") {
-  visibility = [ "//blimp/client/core/*" ]
-
-  sources = [
-    "blimp_client_switches.cc",
-    "blimp_client_switches.h",
-  ]
-}
-
-if (is_android) {
-  android_library("switches_java") {
-    visibility = [ "//blimp/client/core/*" ]
-
-    java_files =
-        [ "android/java/src/org/chromium/blimp/core/BlimpClientSwitches.java" ]
-  }
-}