message: [docker] remove unused arguments from Docker entrypoint
  Both, --disable-default-prefix-route and --disable-default-prefix-slaac
  have been used for wpantund which is no longer supported by the Docker
  entrypoint script. Remove them to avoid confusion.
diff: @@ -58,14 +58,6 @@ function parse_args()
  shift
  shift
  ;;
  - --disable-default-prefix-route)
  - AUTO_PREFIX_ROUTE=false
  - shift
  - ;;
  - --disable-default-prefix-slaac)
  - AUTO_PREFIX_SLAAC=false
  - shift
  - ;;
  *)
  shift
  ;;
  @@ -79,8 +71,6 @@ parse_args "$@"
  [ -n "$TREL_URL" ] || TREL_URL=""
  [ -n "$TUN_INTERFACE_NAME" ] || TUN_INTERFACE_NAME="wpan0"
  [ -n "$BACKBONE_INTERFACE" ] || BACKBONE_INTERFACE="eth0"
  -[ -n "$AUTO_PREFIX_ROUTE" ] || AUTO_PREFIX_ROUTE=true
  -[ -n "$AUTO_PREFIX_SLAAC" ] || AUTO_PREFIX_SLAAC=true
  [ -n "$NAT64_PREFIX" ] || NAT64_PREFIX="64:ff9b::/96"
  echo "RADIO_URL:" $RADIO_URL
  @@ -88,8 +78,6 @@ echo "TREL_URL:" $TREL_URL
  echo "TUN_INTERFACE_NAME:" $TUN_INTERFACE_NAME
  echo "BACKBONE_INTERFACE: $BACKBONE_INTERFACE"
  echo "NAT64_PREFIX:" $NAT64_PREFIX
  -echo "AUTO_PREFIX_ROUTE:" $AUTO_PREFIX_ROUTE
  -echo "AUTO_PREFIX_SLAAC:" $AUTO_PREFIX_SLAAC
  NAT64_PREFIX=${NAT64_PREFIX/\//\\\/}
  