fix: remove unused fetchZmsPath import from discovery.ts

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: pliablepixels

app/src/lib/discovery.ts

@@ -1,6 +1,5 @@
 
 import { createApiClient, setApiClient } from '../api/client';
-import { fetchZmsPath } from '../api/auth';
 import type { HttpError } from './http';
 import { log, LogLevel } from './logger';