Revert "introduce test-kitchen"

This reverts commit e80631d97e402794ad7d5793b831ae0555e581c4.

Change-Id: I771ad19d116a17fed19b3ffbdacea445f43ab4f9
diff --git a/tests/pillar/single.sls b/tests/pillar/single.sls
index a678d49..827cd88 100644
--- a/tests/pillar/single.sls
+++ b/tests/pillar/single.sls
@@ -7,12 +7,6 @@
     bind:
       address: 127.0.0.1
       port: 80
-    plugin:
-      horizon_theme:
-        theme_name: ubuntu
-        source:
-          engine: pkg
-          name: openstack-dashboard-ubuntu-theme
     wsgi:
       processes: 3
       threads: 10
@@ -29,5 +23,4 @@
       port: 5000
       host: 127.0.0.1
       encryption: encryption
-      api_version: 2
-
+      api_version: 2
\ No newline at end of file