[EasyUnlock] Delete unused BLE code.

components/proximity_auth/ble/BUILD.gn

Index: components/proximity_auth/ble/BUILD.gn
diff --git a/components/proximity_auth/ble/BUILD.gn b/components/proximity_auth/ble/BUILD.gn
deleted file mode 100644
index 16d2ddcac6d1ffe7c7fa36216224ae6a92cb16f2..0000000000000000000000000000000000000000
--- a/components/proximity_auth/ble/BUILD.gn
+++ /dev/null
@@ -1,62 +0,0 @@
-# Copyright 2014 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("//testing/test.gni")
-
-static_library("ble") {
-  sources = [
-    "bluetooth_low_energy_connection.cc",
-    "bluetooth_low_energy_connection.h",
-    "bluetooth_low_energy_device_whitelist.cc",
-    "bluetooth_low_energy_device_whitelist.h",
-    "pref_names.cc",
-    "pref_names.h",
-  ]
-
-  deps = [
-    "//base",
-    "//components/cryptauth",
-    "//components/cryptauth/ble",
-    "//components/prefs",
-    "//components/proximity_auth/logging",
-
-    # TODO(https://crbug.com/562683): This component has a circular dependency
-    # with the root proximity auth target. It is whitelisted in that target for
-    # includes.
-    #"//components/proximity_auth",
-    "//device/bluetooth",
-    "//net",
-  ]
-
-  public_deps = [
-    "//components/cryptauth/proto",
-  ]
-}
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "bluetooth_low_energy_connection_unittest.cc",
-    "bluetooth_low_energy_device_whitelist_unittest.cc",
-  ]
-
-  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
-
-  deps = [
-    ":ble",
-    "//base/test:test_support",
-    "//components/cryptauth",
-    "//components/cryptauth:test_support",
-    "//components/cryptauth/ble:ble",
-    "//components/prefs:test_support",
-    "//components/proximity_auth:test_support",
-    "//device/bluetooth:mocks",
-    "//testing/gmock",
-    "//testing/gtest",
-  ]
-
-  public_deps = [
-    "//components/cryptauth/proto",
-  ]
-}