Revert "Use stop instead of suspend to stop machines." -- did not help.

This reverts commit d239e98.

Author: alflanagan

fly.toml

@@ -11,7 +11,7 @@ primary_region = 'iad'
 [http_service]
   internal_port = 8080
   force_https = true
-  auto_stop_machines = true
+  auto_stop_machines = 'suspend'
   auto_start_machines = true
   min_machines_running = 1
   processes = ['app']