firewire: ohci: remove unused wrapper macro for dev_info()

The ohci_info() macro is a thin wrapper of dev_info(), while it is never
used.

Link: https://lore.kernel.org/r/20240814131222.69949-3-o-takashi@sakamocchi.jpSigned-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>

drivers/firewire/ohci.c

@@ -50,7 +50,6 @@ static u32 cond_le32_to_cpu(__le32 value, bool has_be_header_quirk);
 #define CREATE_TRACE_POINTS
 #include <trace/events/firewire_ohci.h>
 
-#define ohci_info(ohci, f, args...)	dev_info(ohci->card.device, f, ##args)
 #define ohci_notice(ohci, f, args...)	dev_notice(ohci->card.device, f, ##args)
 #define ohci_err(ohci, f, args...)	dev_err(ohci->card.device, f, ##args)