Revert "FIX: heartbeat should be per host"

Revert “FIX: heartbeat should be per host”

This reverts commit 17bed444057646f48d3e8ecdd1dcd52eb6d7f712.

diff --git a/app/jobs/scheduled/heartbeat.rb b/app/jobs/scheduled/heartbeat.rb
index 59d44ca..efd8213 100644
--- a/app/jobs/scheduled/heartbeat.rb
+++ b/app/jobs/scheduled/heartbeat.rb
@@ -4,7 +4,6 @@ module Jobs
 
   # used to ensure at least 1 sidekiq is running correctly
   class Heartbeat < Jobs::Scheduled
-    per_host
     every 3.minute
 
     def execute(args)

GitHub sha: 5d4fcc62