Delete the testcases that arent needed anymore

The file test_examples.py has never worked since its written and and cli in
the example directory are covered by other functional tests for container,
flavor and object lists and they have better asserts. So, deleting the file

Change-Id: Ib9af40da96e66354fe878e79a80048a58f8dd6fe

Author: mb711d

openstackclient/tests/functional/base.py

@@ -19,10 +19,6 @@
 import testtools
 
 
-COMMON_DIR = os.path.dirname(os.path.abspath(__file__))
-FUNCTIONAL_DIR = os.path.normpath(os.path.join(COMMON_DIR, '..'))
-ROOT_DIR = os.path.normpath(os.path.join(FUNCTIONAL_DIR, '..'))
-EXAMPLE_DIR = os.path.join(ROOT_DIR, 'examples')
 ADMIN_CLOUD = os.environ.get('OS_ADMIN_CLOUD', 'devstack-admin')