Remove rogue default y in EDAC Kconfig

Signed-off-by: Andi Kleen <ak@suse.de>

Index: linux/drivers/edac/Kconfig
===================================================================
--- linux.orig/drivers/edac/Kconfig
+++ linux/drivers/edac/Kconfig
@@ -11,7 +11,6 @@ menu 'EDAC - error detection and reporti
 config EDAC
 	tristate "EDAC core system error reporting"
 	depends on X86
-	default y
 	help
 	  EDAC is designed to report errors in the core system.
 	  These are low-level errors that are reported in the CPU or