Remove dublicate Qualcom PID 0x3197 which is already handled by the
moto-modem driver since commit 6986a978 ("USB: add new moto_modem
driver for some Morotola phones").

Fixes: 799ee924 ("USB: serial: add zte_ev.c driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>