powerpc/32s: drop Hash_end

Hash_end has never been used, drop it.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/mm/mmu_decl.h

@@ -104,7 +104,7 @@ extern int __map_without_bats;
 extern unsigned int rtas_data, rtas_size;
 
 struct hash_pte;
-extern struct hash_pte *Hash, *Hash_end;
+extern struct hash_pte *Hash;
 extern unsigned long Hash_size, Hash_mask;
 extern u8 early_hash[];