CONFIG_NET_NBUF_RX_COUNT no longer exists in Zephyr, for a while. That means we build with the default RX buf count for a while too, and it works, so just remove it (instead of switching to what it was renamed to, CONFIG_NET_PKT_RX_COUNT).
CONFIG_NET_NBUF_RX_COUNT no longer exists in Zephyr, for a while. That means we build with the default RX buf count for a while too, and it works, so just remove it (instead of switching to what it was renamed to, CONFIG_NET_PKT_RX_COUNT).