wsgi: Get rid of the wsgi files.

Though useful they need to be customised per environment anyway and the
necessary examples are now included in the docs.

wsgi.py

@@ -1,11 +0,0 @@
-from __future__ import absolute_import
-
-import os
-import sys
-
-me = os.path.dirname(os.path.abspath(__file__))
-# Add us to the PYTHONPATH/sys.path if we're not on it
-if not me in sys.path:
-    sys.path.insert(0, me)
-
-from puppetboard.app import app as application