m68k: Remove unnecessary m68k_memoffset export and init

Remove an unnecessary m68k_memoffset export and initialization
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/m68k/kernel/setup.c

@@ -62,7 +62,6 @@ EXPORT_SYMBOL(m68k_num_memory);
 int m68k_realnum_memory;
 EXPORT_SYMBOL(m68k_realnum_memory);
 unsigned long m68k_memoffset;
-EXPORT_SYMBOL(m68k_memoffset);
 struct mem_info m68k_memory[NUM_MEMINFO];
 EXPORT_SYMBOL(m68k_memory);
 
@@ -200,7 +199,6 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record)
 		       (m68k_num_memory - 1));
 		m68k_num_memory = 1;
 	}
-	m68k_memoffset = m68k_memory[0].addr-PAGE_OFFSET;
 #endif
 }