Remove conflicting NAND ID

There are two NAND entries with ID 0xDC and this obviously causes problems.
In the kernel, they punted the first entry, so we should do the same.

See this upstream e-mail for more info:
http://lists.infradead.org/pipermail/linux-mtd/2007-July/018795.html

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

drivers/mtd/nand/nand_ids.c

@@ -67,8 +67,6 @@ struct nand_flash_dev nand_flash_ids[] = {
 
 	{"NAND 256MiB 3,3V 8-bit", 	0x71, 512, 256, 0x4000, 0},
 
-	{"NAND 512MiB 3,3V 8-bit", 	0xDC, 512, 512, 0x4000, 0},
-
 	/* These are the new chips with large page size. The pagesize
 	* and the erasesize is determined from the extended id bytes
 	*/