Delete tools/telemetry.

tools/telemetry/telemetry/internal/backends/app_backend.py

Index: tools/telemetry/telemetry/internal/backends/app_backend.py
diff --git a/tools/telemetry/telemetry/internal/backends/app_backend.py b/tools/telemetry/telemetry/internal/backends/app_backend.py
deleted file mode 100644
index 6ad981238b84665b94a40a9216fffc3cc8468a7c..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/internal/backends/app_backend.py
+++ /dev/null
@@ -1,48 +0,0 @@
-# Copyright 2012 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.
-
-
-class AppBackend(object):
-  def __init__(self, app_type, platform_backend):
-    super(AppBackend, self).__init__()
-    self._app = None
-    self._app_type = app_type
-    self._platform_backend = platform_backend
-
-  def __del__(self):
-    self.Close()
-
-  def SetApp(self, app):
-    self._app = app
-
-  @property
-  def app(self):
-    return self._app
-
-  @property
-  def app_type(self):
-    return self._app_type
-
-  @property
-  def pid(self):
-    raise NotImplementedError
-
-  @property
-  def platform_backend(self):
-    return self._platform_backend
-
-  def Start(self):
-    raise NotImplementedError
-
-  def Close(self):
-    raise NotImplementedError
-
-  def IsAppRunning(self):
-    raise NotImplementedError
-
-  def GetStandardOutput(self):
-    raise NotImplementedError
-
-  def GetStackTrace(self):
-    raise NotImplementedError