asm-generic: page.h: Remove useless get_user_page and free_user_page

They are not symmetric with each other, neither are used in real world
(can not be found by grep command in source code root directory), so
remove them.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/frv/include/asm/page.h

@@ -8,9 +8,6 @@
 
 #ifndef __ASSEMBLY__
 
-#define get_user_page(vaddr)			__get_free_page(GFP_KERNEL)
-#define free_user_page(page, addr)		free_page(addr)
-
 #define clear_page(pgaddr)			memset((pgaddr), 0, PAGE_SIZE)
 #define copy_page(to,from)			memcpy((to), (from), PAGE_SIZE)