Remove all blimp client code.

blimp/client/test/compositor/BUILD.gn

Index: blimp/client/test/compositor/BUILD.gn
diff --git a/blimp/client/test/compositor/BUILD.gn b/blimp/client/test/compositor/BUILD.gn
deleted file mode 100644
index d399460b1535674e3656ea62667dc79c5ff0310a..0000000000000000000000000000000000000000
--- a/blimp/client/test/compositor/BUILD.gn
+++ /dev/null
@@ -1,28 +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.
-
-source_set("compositor") {
-  testonly = true
-
-  sources = [
-    "blimp_compositor_with_fake_host.cc",
-    "blimp_compositor_with_fake_host.h",
-    "mock_compositor_dependencies.cc",
-    "mock_compositor_dependencies.h",
-    "test_blimp_embedder_compositor.cc",
-    "test_blimp_embedder_compositor.h",
-  ]
-
-  deps = [
-    "//cc:test_support",
-    "//cc/proto",
-    "//gpu/ipc/common",
-  ]
-
-  public_deps = [
-    "//blimp/client/core/compositor",
-    "//blimp/client/public:public_headers",
-    "//blimp/client/support/compositor",
-  ]
-}