Remove all blimp client code.

blimp/client/core/context/android/dummy_blimp_jni_registrar.cc

Index: blimp/client/core/context/android/dummy_blimp_jni_registrar.cc
diff --git a/blimp/client/core/context/android/dummy_blimp_jni_registrar.cc b/blimp/client/core/context/android/dummy_blimp_jni_registrar.cc
deleted file mode 100644
index a6f5f2f90cf44257b3045387c376f4fbdb02e326..0000000000000000000000000000000000000000
--- a/blimp/client/core/context/android/dummy_blimp_jni_registrar.cc
+++ /dev/null
@@ -1,21 +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.
-
-#include "blimp/client/public/android/blimp_jni_registrar.h"
-
-#include "base/android/jni_registrar.h"
-
-namespace blimp {
-namespace client {
-
-// This method is declared in
-// //blimp/client/public/android/blimp_jni_registrar.h, and either this function
-// or the one in //blimp/client/core/android/blimp_jni_registrar.cc
-// should be linked in to any binary blimp::client::RegisterBlimpJni.
-bool RegisterBlimpJni(JNIEnv* env) {
-  return true;
-}
-
-}  // namespace client
-}  // namespace blimp