Remove all blimp client code.

blimp/client/core/session/BUILD.gn

Index: blimp/client/core/session/BUILD.gn
diff --git a/blimp/client/core/session/BUILD.gn b/blimp/client/core/session/BUILD.gn
deleted file mode 100644
index a48c21bccf7eb8e24e4a3569cceea85d97b691ea..0000000000000000000000000000000000000000
--- a/blimp/client/core/session/BUILD.gn
+++ /dev/null
@@ -1,78 +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("session") {
-  visibility = [ "//blimp/client/core/*" ]
-
-  sources = [
-    "assignment_source.cc",
-    "assignment_source.h",
-    "client_network_components.cc",
-    "client_network_components.h",
-    "connection_status.cc",
-    "connection_status.h",
-    "cross_thread_network_event_observer.cc",
-    "cross_thread_network_event_observer.h",
-    "identity_source.cc",
-    "identity_source.h",
-    "network_event_observer.h",
-  ]
-
-  public_deps = [
-    "//base",
-    "//blimp/client/public:public_headers",
-    "//blimp/net",
-    "//components/safe_json",
-    "//google_apis",
-    "//net",
-    "//url",
-  ]
-
-  deps = [
-    "//blimp/client/core/switches",
-    "//blimp/common",
-  ]
-}
-
-source_set("unit_tests") {
-  visibility = [ "//blimp/client/core:unit_tests" ]
-
-  testonly = true
-
-  sources = [
-    "identity_source_unittest.cc",
-  ]
-
-  deps = [
-    ":session",
-    "//base",
-    "//blimp/client/test:test",
-    "//google_apis:test_support",
-    "//testing/gmock",
-    "//testing/gtest",
-  ]
-
-  data = []
-
-  sources += [ "assignment_source_unittest.cc" ]
-
-  deps += [
-    "//blimp/client/core/switches",
-    "//blimp/common",
-    "//blimp/common:test_support",
-    "//components/safe_json:test_support",
-    "//net:test_support",
-    "//url",
-  ]
-
-  data += [
-    "test_selfsigned_cert.pem",
-    "//blimp/test/data/test_client_token",
-  ]
-}