Remove unnecessary port mappings from ubx and nmea middleware services

These services use the socat bridge for outgoing communication only which means the port does not need to be exposed

Author: hmakelin

docker/docker-compose.networking.yaml

@@ -28,8 +28,6 @@ services:
   ubx:
     networks:
       - dds
-    ports:
-      - "${SOCAT_BRIDGE_PORT:?empty or not set}:${SOCAT_BRIDGE_PORT:?empty or not set}/tcp"
     environment:
       SOCAT_BRIDGE_PORT: ${SOCAT_BRIDGE_PORT:?empty or not set}
       GISNAV_FCU_URL: ${GISNAV_FCU_URL:?empty or not set}  # todo TCP bridge only for simulation?
@@ -39,8 +37,6 @@ services:
   nmea:
     networks:
       - dds
-    ports:
-      - "${SOCAT_BRIDGE_PORT:?empty or not set}:${SOCAT_BRIDGE_PORT:?empty or not set}/tcp"
     environment:
       SOCAT_BRIDGE_PORT: ${SOCAT_BRIDGE_PORT:?empty or not set}
       GISNAV_FCU_URL: ${GISNAV_FCU_URL:?empty or not set}  # todo TCP bridge only for simulation?