unneeded try to invoke mdns-js

[mycoboco]

2024-11-21T05:22:36.035Z - info: [server] running mdns-js </canary/server.js:72 (publishService)>
2024-11-21T05:22:36.057Z - warning: [server] seems not to have 'mdns-js' </canary/server.js:77>
2024-11-21T05:22:36.061Z - warning: [server] fall back to 'mdns-js' </canary/server.js:78>
2024-11-21T05:22:36.065Z - info: [server] running mdns-js </canary/server.js:72 (publishService)>

When mdns-js set to mdns an unnecessary try to invoke mdns-js is done and logs a failure message.