sh: Kill off __{copy,clear}_user_page().

Now that copy_to_user_page()/copy_from_user_page() are wired up, we
can drop the old __copy_xxx() implementations. Now that the page
colouring scheme has changed via kmap_coherent(), we can avoid the
flush in these specific helpers.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h
index 5e69de1..d00a8fd 100644
--- a/include/asm-sh/page.h
+++ b/include/asm-sh/page.h
@@ -74,10 +74,7 @@
 	(defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB))
 struct page;
 struct vm_area_struct;
-extern void clear_user_page(void *to, unsigned long address, struct page *pg);
-extern void copy_user_page(void *to, void *from, unsigned long address, struct page *pg);
-extern void __clear_user_page(void *to, void *orig_to);
-extern void __copy_user_page(void *to, void *from, void *orig_to);
+extern void clear_user_page(void *to, unsigned long address, struct page *page);
 #ifdef CONFIG_CPU_SH4
 extern void copy_user_highpage(struct page *to, struct page *from,
 			       unsigned long vaddr, struct vm_area_struct *vma);