Remove kong. Fixes bug 1052511.

Change-Id: I5e027c9539fd2c594d24447866e79c8caad9aa40
diff --git a/tox.ini b/tox.ini
index 8966c29..433c55f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,4 +15,4 @@
 
 [testenv:pep8]
 deps = pep8==1.3.3
-commands = pep8 --ignore=E121,E122,E125,E126 --repeat --show-source --exclude=.venv,.tox,dist,doc,openstack,kong .
+commands = pep8 --ignore=E121,E122,E125,E126 --repeat --show-source --exclude=.venv,.tox,dist,doc,openstack .