The SPI opcode 0xd8 is not a chip erase opcode on any chip out there

Besides that, the function as implemented just walks the chip and
ignores sector sizes.
Sector erase with SPI opcode 0xd8 is of course still supported.
Kill a declaration for a nonexisting function while we're at it.

Corresponding to flashrom svn r1054.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Sean Nelson <audiohacked@gmail.com>

chipdrivers.h

@@ -35,8 +35,6 @@ int spi_write_enable(void);
 int spi_write_disable(void);
 int spi_chip_erase_60(struct flashchip *flash);
 int spi_chip_erase_c7(struct flashchip *flash);
-int spi_chip_erase_60_c7(struct flashchip *flash);
-int spi_chip_erase_d8(struct flashchip *flash);
 int spi_block_erase_20(struct flashchip *flash, unsigned int addr, unsigned int blocklen);
 int spi_block_erase_52(struct flashchip *flash, unsigned int addr, unsigned int blocklen);
 int spi_block_erase_d7(struct flashchip *flash, unsigned int addr, unsigned int blocklen);

spi25.c

@@ -646,29 +646,6 @@ int spi_block_erase_d7(struct flashchip *flash, unsigned int addr, unsigned int
 	return 0;
 }
 
-int spi_chip_erase_d8(struct flashchip *flash)
-{
-	int i, rc = 0;
-	int total_size = flash->total_size * 1024;
-	int erase_size = 64 * 1024;
-
-	spi_disable_blockprotect();
-
-	msg_cinfo("Erasing chip: \n");
-
-	for (i = 0; i < total_size / erase_size; i++) {
-		rc = spi_block_erase_d8(flash, i * erase_size, erase_size);
-		if (rc) {
-			msg_cerr("Error erasing block at 0x%x\n", i);
-			break;
-		}
-	}
-
-	msg_cinfo("\n");
-
-	return rc;
-}
-
 /* Sector size is usually 4k, though Macronix eliteflash has 64k */
 int spi_block_erase_20(struct flashchip *flash, unsigned int addr, unsigned int blocklen)
 {