serial: imx: remove long dead code

This if (0) exists since the driver was introduced in commit
c49bde83 ([ARM PATCH] 1956/2: Re: Motorola i.MX serial driver)
back in 2004.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/imx.c

@@ -1370,15 +1370,6 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios,
 	unsigned long num, denom;
 	uint64_t tdiv64;
 
-	/*
-	 * If we don't support modem control lines, don't allow
-	 * these to be set.
-	 */
-	if (0) {
-		termios->c_cflag &= ~(HUPCL | CRTSCTS | CMSPAR);
-		termios->c_cflag |= CLOCAL;
-	}
-
 	/*
 	 * We only support CS7 and CS8.
 	 */