Removing dead MACH_U300_BS26

MACH_U300_BS26 doesn't exist in Kconfig, therefore removing all
references for it from the source code.
Signed-off-by: Christoph Egger <siccegge@cs.fau.de>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

arch/arm/mach-u300/core.c

@@ -1561,13 +1561,6 @@ static void __init u300_init_check_chip(void)
 	printk(KERN_INFO "Initializing U300 system on %s baseband chip " \
 	       "(chip ID 0x%04x)\n", chipname, val);
 
-#ifdef CONFIG_MACH_U300_BS26
-	if ((val & 0xFF00U) != 0xc800) {
-		printk(KERN_ERR "Platform configured for BS25/BS26 " \
-		       "with DB3150 but %s detected, expect problems!",
-		       chipname);
-	}
-#endif
 #ifdef CONFIG_MACH_U300_BS330
 	if ((val & 0xFF00U) != 0xd800) {
 		printk(KERN_ERR "Platform configured for BS330 " \