fix: remove healthcheck from supervisor-ui service

ai/compose.yaml

@@ -249,12 +249,6 @@ services:
       # No auth needed - Supervisor has auth disabled (protected by Authelia)
     networks:
       - compose_network
-    healthcheck:
-      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:3000/api/health"]
-      interval: 30s
-      timeout: 10s
-      retries: 3
-      start_period: 10s
     labels:
       - 'traefik.enable=${AI_SUPERVISOR_TRAEFIK_ENABLED:-true}'
       # HTTP to HTTPS redirect