[loader] Make recipe engine support examples/ module subdir

recipe_modules/platform/example.py

Index: recipe_modules/platform/example.py
diff --git a/recipe_modules/platform/example.py b/recipe_modules/platform/example.py
deleted file mode 100644
index b03124e4ea9fb8523a5e8361898062f7aa3753c3..0000000000000000000000000000000000000000
--- a/recipe_modules/platform/example.py
+++ /dev/null
@@ -1,22 +0,0 @@
-# Copyright 2015 The LUCI Authors. All rights reserved.
-# Use of this source code is governed under the Apache License, Version 2.0
-# that can be found in the LICENSE file.
-
-DEPS = [
-  'platform',
-  'step',
-]
-
-def RunSteps(api):
-  step_result = api.step('platform things', cmd=None)
-  step_result.presentation.logs['name'] = [api.platform.name]
-  step_result.presentation.logs['bits'] = [str(api.platform.bits)]
-  step_result.presentation.logs['arch'] = [api.platform.arch]
-  step_result.presentation.logs['cpu_count'] = [str(api.platform.cpu_count)]
-
-
-def GenTests(api):
-  yield api.test('linux64') + api.platform('linux', 64)
-  yield api.test('mac64') + api.platform('mac', 64)
-  yield api.test('win32') + api.platform('win', 32)
-  yield api.test('four_cores') + api.platform.cpu_count(4)