ARM: pxa: remove un-used mapping of camera registers

The camera registers start and range are encoded into the platform
device, and are actually handled by ioremap()'ed, thus the mapping
in pxa_map_io() is not necessary.
Signed-off-by: NEric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/generic.c

@@ -102,11 +102,6 @@ static struct map_desc standard_io_desc[] __initdata = {
 		.pfn		= __phys_to_pfn(0x48000000),
 		.length		= 0x00200000,
 		.type		= MT_DEVICE
-	}, {	/* Camera */
-		.virtual	=  0xfa000000,
-		.pfn		= __phys_to_pfn(0x50000000),
-		.length		= 0x00100000,
-		.type		= MT_DEVICE
 	}, {	/* IMem ctl */
 		.virtual	=  0xfe000000,
 		.pfn		= __phys_to_pfn(0x58000000),