Make Geo::BaseSyncService#update_registry clearer

app/services/geo/base_sync_service.rb

@@ -54,16 +54,14 @@ module Geo
 
       log("Updating #{type} sync information")
 
-      attrs = {}.tap do |attrs|
-        if started_at
-          attrs["last_#{type}_synced_at"] = started_at
-        end
+      attrs = {}
+
+      attrs["last_#{type}_synced_at"] = started_at if started_at
 
       if finished_at
         attrs["last_#{type}_successful_sync_at"] = finished_at
         attrs["resync_#{type}"] = false
       end
-      end
 
       registry.update!(attrs)
     end