simplify docker compose template

lib/towerops_web/live/agent_live/index.html.heex

@@ -478,8 +478,6 @@
     environment:
       - TOWEROPS_API_URL={url(@socket, ~p"/")}
       - TOWEROPS_AGENT_TOKEN={@new_token.token}
-    volumes:
-      - ./data:/data
     labels:
       - "com.centurylinklabs.watchtower.enable=true"
       - "com.centurylinklabs.watchtower.scope=towerops"
@@ -489,15 +487,14 @@
     container_name: towerops-watchtower
     restart: unless-stopped
     environment:
-      # Check for updates every 15 minutes (900 seconds)
-      - WATCHTOWER_POLL_INTERVAL=900
+      # Check for updates every day
+      - WATCHTOWER_POLL_INTERVAL=86400
       - WATCHTOWER_LABEL_ENABLE=true
       - WATCHTOWER_CLEANUP=true
       - WATCHTOWER_LOG_LEVEL=info
       # Use latest Docker API version
       - DOCKER_API_VERSION=1.44
-    volumes:
-      - /var/run/docker.sock:/var/run/docker.sock</textarea>
+</textarea>
               </div>
             </div>