Remove unneccesary source of upstream_ws

deploy/base/ros_entrypoint.bash

@@ -4,6 +4,4 @@ set -e
 # setup application environment
 # shellcheck disable=SC1091
 source "/root/target_ws/install/setup.bash"
-# shellcheck disable=SC1091
-source "/root/upstream_ws/install/setup.bash"
 exec "$@"