Remove cadf formula dependency from keystone formula

	- CADF formula is no longer supported

Related: PROD-25039 (PROD:25039)

Change-Id: Iee435177fc3e0bf200bc5e0faaf7305a24d05b8e
diff --git a/.kitchen.yml b/.kitchen.yml
index 89d3c2a..b600ee7 100644
--- a/.kitchen.yml
+++ b/.kitchen.yml
@@ -24,9 +24,6 @@
     - name: memcached
       repo: git
       source: https://gerrit.mcp.mirantis.com/salt-formulas/memcached
-    - name: cadf
-      repo: git
-      source: https://gerrit.mcp.mirantis.com/salt-formulas/cadf
     - name: rabbitmq
       repo: git
       source: https://gerrit.mcp.mirantis.com/salt-formulas/rabbitmq