Disable Sensu support by default

Change-Id: I45655b5537ece1cf9ec847953995858a042ca4ce
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index 283ca7e..df136a7 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: