fix(infra): remove depends_on redis/nats from tools.yml

Shared services are in separate compose files. Tools depends on them
at runtime but Docker compose doesn't need to manage their lifecycle.

Co-Authored-By: Kilo <kilo@kilo.ai>

infra/compose/tools.yml

@@ -18,13 +18,6 @@ services:
       - RUST_LOG=info
     volumes:
       - tools_data:/data/tools
-    ports:
-      - "3001:3001"
-    depends_on:
-      redis:
-        condition: service_started
-      nats:
-        condition: service_started
     labels:
       - 'prometheus.io/scrape=true'
       - 'prometheus.io/port=3001'