FRV: Remove unused header asm/init.h.

It seems nothing has included the frv asm/init.h header for some time, and its
actual contents are out of date with include/linux/init.h.  So just delete it.
Signed-off-by: NTim Abbott <tabbott@mit.edu>
Signed-off-by: NDavid Howells <dhowells@redhat.com>
Acked-by: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/frv/include/asm/init.h

-#ifndef _ASM_INIT_H
-#define _ASM_INIT_H
-
-#define __init __attribute__ ((__section__ (".text.init")))
-#define __initdata __attribute__ ((__section__ (".data.init")))
-/* For assembly routines */
-#define __INIT		.section	".text.init",#alloc,#execinstr
-#define __FINIT		.previous
-#define __INITDATA	.section	".data.init",#alloc,#write
-
-#endif
-