cxgb4: remove duplicate headers

Remove duplicate headers which are included twice.
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/chelsio/cxgb4/cxgb4.h

@@ -466,8 +466,6 @@ static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
 	return &((struct mbox_cmd *)&(log)[1])[entry_idx];
 }
 
-#include "t4fw_api.h"
-
 #define FW_VERSION(chip) ( \
 		FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
 		FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \