Disable Sensu support by default

Change-Id: I0580e629ff31d317fff6276ab4c498143f169c4c
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index 6be4290..5ceec61 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -6,7 +6,7 @@
       heka:
         enabled: true
       sensu:
-        enabled: true
+        enabled: false
       sphinx:
         enabled: true
       config: