powerpc/livepatch: Remove klp_write_module_reloc() stub

commit 425595a7fc20 ("livepatch: reuse module loader code
to write relocations") offloads livepatch module relocation
write to arch specific module loader code.

Remove unused klp_write_module_reloc() function stub.

Signed-off-by: Kamalesh Babulal <[e-mail]>
Acked-by: Balbir Singh <[e-mail]>
Reviewed-by: Petr Mladek <[e-mail]>
Acked-by: Josh Poimboeuf <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

arch/powerpc/include/asm/livepatch.h

···
 	return 0;
 }
 
-static inline int klp_write_module_reloc(struct module *mod, unsigned long
-		type, unsigned long loc, unsigned long value)
-{
-	/* This requires infrastructure changes; we need the loadinfos. */
-	return -ENOSYS;
-}
-
 static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip)
 {
 	regs->nip = ip;