Disable healthcheck by default

Author: anhthii

config.yaml.template

@@ -23,7 +23,7 @@ max_concurrent_keygen: 2
 max_concurrent_signing: 10
 session_warm_up_delay_ms: 100
 healthcheck:
-  enabled: true  # disabled by default, set to true for cloud deployment
+  enabled: false  # disabled by default, set to true for cloud deployment
   address: "0.0.0.0:8080"