Fixed redundant docker compose dependency on db

docker-compose.nodeodm.yml

@@ -7,7 +7,6 @@ services:
   webapp:
     entrypoint: /bin/bash -c "chmod +x /webodm/*.sh && /webodm/wait-for-it.sh db:5432 -- /webodm/start.sh --create-default-pnode"
     depends_on:
-      - db
       - node-odm-1
   node-odm-1:
     image: pierotofy/nodeodm