Revert of depot_tools: add infra_paths recipe module for infra-specific paths

recipe_modules/infra_paths/example.py

Index: recipe_modules/infra_paths/example.py
diff --git a/recipe_modules/infra_paths/example.py b/recipe_modules/infra_paths/example.py
deleted file mode 100644
index 9e6f712faa03f8329cc67480364f801ab30b18bd..0000000000000000000000000000000000000000
--- a/recipe_modules/infra_paths/example.py
+++ /dev/null
@@ -1,24 +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.
-
-DEPS = [
-  'infra_paths',
-  'recipe_engine/platform',
-  'recipe_engine/properties',
-  'recipe_engine/step',
-]
-
-from recipe_engine.config_types import Path
-
-def RunSteps(api):
-  api.step('step', [], cwd=api.infra_paths['slave_build'])
-
-
-def GenTests(api):
-  for platform in ('linux', 'win', 'mac'):
-    yield (api.test(platform) + api.platform.name(platform))
-
-    yield (api.test('%s_kitchen' % platform) +
-           api.platform.name(platform) +
-           api.properties(path_config='kitchen'))