Remove bootstrap_deps.

content/test/gpu/bootstrap_deps

-# 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.
-
-# This file specifies dependencies required to bootstrap perf_tools. It is in a
-# minimal version of the format used by other DEPS files that gclient can read,
-# but it should only be used to bootstrap perf_tools *outside* of a normal
-# Chrome checkout.
-
-deps = {
-    "src/content/test/gpu/gpu_tests":
-        "https://src.chromium.org/chrome/trunk/src/content/test/gpu/gpu_tests",
-    "src/content/test/gpu/page_sets":
-        "https://src.chromium.org/chrome/trunk/src/content/test/gpu/page_sets",
-    "src/content/test/data/gpu":
-        "https://src.chromium.org/chrome/trunk/src/content/test/data/gpu",
-    "src/content/test/data/media":
-        "https://src.chromium.org/chrome/trunk/src/content/test/data/media",
-    # TODO(ihf): Figure out a different way to specify this dependency. This
-    # directory needs to be checked out with the instructions provided by
-    # https://src.chromium.org/chrome/trunk/src/third_party/webgl/README.chromium
-    "src/third_party/webgl/src/sdk/tests":
-        "",
-    "src/content/test/gpu/run_gpu_test.py":
-        "https://src.chromium.org/chrome/trunk/src/content/test/gpu/run_gpu_test.py",
-    "src/tools/telemetry":
-        "https://src.chromium.org/chrome/trunk/src/tools/telemetry",
-    "src/third_party/catapult":
-        "https://src.chromium.org/chrome/trunk/src/third_party/catapult",
-}