mfd: tmio: Remove obsolete io accessors

Since commit 568494db ("mtd: remove tmio_nand driver") and commit
aceae784 ("fbdev: remove tmiofb driver"), these accessors have no
users anymore. Remove them.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240213220221.2380-10-wsa+renesas@sang-engineering.comSigned-off-by: Lee Jones <lee@kernel.org>

include/linux/mfd/tmio.h

@@ -10,31 +10,6 @@
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 
-#define tmio_ioread8(addr) readb(addr)
-#define tmio_ioread16(addr) readw(addr)
-#define tmio_ioread16_rep(r, b, l) readsw(r, b, l)
-#define tmio_ioread32(addr) \
-	(((u32)readw((addr))) | (((u32)readw((addr) + 2)) << 16))
-
-#define tmio_iowrite8(val, addr) writeb((val), (addr))
-#define tmio_iowrite16(val, addr) writew((val), (addr))
-#define tmio_iowrite16_rep(r, b, l) writesw(r, b, l)
-#define tmio_iowrite32(val, addr) \
-	do { \
-		writew((val),       (addr)); \
-		writew((val) >> 16, (addr) + 2); \
-	} while (0)
-
-#define sd_config_write8(base, shift, reg, val) \
-	tmio_iowrite8((val), (base) + ((reg) << (shift)))
-#define sd_config_write16(base, shift, reg, val) \
-	tmio_iowrite16((val), (base) + ((reg) << (shift)))
-#define sd_config_write32(base, shift, reg, val) \
-	do { \
-		tmio_iowrite16((val), (base) + ((reg) << (shift)));   \
-		tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
-	} while (0)
-
 /* tmio MMC platform flags */
 /*
  * Some controllers can support a 2-byte block size when the bus width