clang-struct [1] found rp2_uart_port::ignore_rx unused.

It was actually never used. Not even in introductory commit 7d9f49afa451
("serial: rp2: New driver for Comtrol RocketPort 2 cards").

[1] https://github.com/jirislaby/clang-struct

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
---
 drivers/tty/serial/rp2.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/tty/serial/rp2.c b/drivers/tty/serial/rp2.c
index d46a81cddfcd..4132fcff7d4e 100644
--- a/drivers/tty/serial/rp2.c
+++ b/drivers/tty/serial/rp2.c
@@ -178,7 +178,6 @@ struct rp2_card;
 struct rp2_uart_port {
 	struct uart_port		port;
 	int				idx;
-	int				ignore_rx;
 	struct rp2_card			*card;
 	void __iomem			*asic_base;
 	void __iomem			*base;
-- 
2.42.1