net: sfp: don't include swphy.h

Nothing from swphy.h is used here, so don't include it.

Signed-off-by: Heiner Kallweit <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Paolo Abeni <[e-mail]>

drivers/net/phy/sfp.c

···
 #include <linux/workqueue.h>
 
 #include "sfp.h"
-#include "swphy.h"
 
 enum {
 	GPIO_MODDEF0,