Disable Sensu support by default

Change-Id: Iccebfdb7e1290b1749c3e15b6d21e0ce14ad016b
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index 84db7f7..15dda59 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: