Removes files from //build that we don't need

build/android/pylib/perf/cache_control.py

Index: build/android/pylib/perf/cache_control.py
diff --git a/build/android/pylib/perf/cache_control.py b/build/android/pylib/perf/cache_control.py
deleted file mode 100644
index 8065cf9ad7930a555f1c3866fb2f49b78c1e8e70..0000000000000000000000000000000000000000
--- a/build/android/pylib/perf/cache_control.py
+++ /dev/null
@@ -1,21 +0,0 @@
-# Copyright 2013 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.
-
-from pylib import android_commands
-from pylib.device import device_utils
-
-class CacheControl(object):
-  _DROP_CACHES = '/proc/sys/vm/drop_caches'
-
-  def __init__(self, device):
-    # TODO(jbudorick) Remove once telemetry gets switched over.
-    if isinstance(device, android_commands.AndroidCommands):
-      device = device_utils.DeviceUtils(device)
-    self._device = device
-
-  def DropRamCaches(self):
-    """Drops the filesystem ram caches for performance testing."""
-    self._device.RunShellCommand('sync', as_root=True)
-    self._device.WriteFile(CacheControl._DROP_CACHES, '3', as_root=True)
-