arch/m68knommu: Removing dead RAM_{16,32}_MB config option

CONFIG_RAM_{16,32}_MB doesn't exist in Kconfig, therefore removing
all references to it from the source.

Signed-off-by: Christian Dietrich <qy03fugy@stud.informatik.uni-erlangen.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>

arch/m68knommu/platform/68328/head-de2.S

@@ -1,11 +1,5 @@
 
-#if defined(CONFIG_RAM32MB)
-#define	MEM_END	0x02000000	/* Memory size 32Mb */
-#elif defined(CONFIG_RAM16MB)
-#define	MEM_END	0x01000000	/* Memory size 16Mb */
-#else
 #define	MEM_END	0x00800000	/* Memory size 8Mb */
-#endif
 
 #undef CRT_DEBUG