m32r: drop unused Kconfig symbol

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index b92b944..0e0b312 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -322,13 +322,6 @@
 	default "1"
 	depends on NEED_MULTIPLE_NODES
 
-# turning this on wastes a bunch of space.
-# Summit needs it only when NUMA is on
-config BOOT_IOREMAP
-	bool
-	depends on NUMA
-	default n
-
 endmenu