tty: synclink_gt: drop redundant tty-port initialisation

The port close_delay and closing_wait parameters have already been by
tty_port_init() so drop the redundant driver initialisation to the
default values.

Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210407102334.32361-17-johan@kernel.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>