Disable Sensu support by default

Change-Id: I166a55fa0e77730809a102d975fbaa56434237a1
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index 41e4b3f..b1d9bcd 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: