git: 341417ac743b - stable/13 - riscv: drop a dead declaration

The branch stable/13 has been updated by mhorne:

URL: https://cgit.FreeBSD.org/src/commit/?id=341417ac743b7b12494cfcf0fa8b87d51d823fe2

commit 341417ac743b7b12494cfcf0fa8b87d51d823fe2
Author:     Mitchell Horne <mhorne@FreeBSD.org>
AuthorDate: 2022-10-12 20:03:29 +0000
Commit:     Mitchell Horne <mhorne@FreeBSD.org>
CommitDate: 2022-10-24 15:53:12 +0000

    riscv: drop a dead declaration
    
    MFC after:      3 days
    Sponsored by:   The FreeBSD Foundation
    
    (cherry picked from commit 6f4c938b2b8e06ffa96432c2735b90fce27fa583)
---
 sys/riscv/riscv/mp_machdep.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/sys/riscv/riscv/mp_machdep.c b/sys/riscv/riscv/mp_machdep.c
index e4fb7e98badb..418296deee15 100644
--- a/sys/riscv/riscv/mp_machdep.c
+++ b/sys/riscv/riscv/mp_machdep.c
@@ -73,8 +73,6 @@ __FBSDID("$FreeBSD$");
 
 #define	MP_BOOTSTACK_SIZE	(kstack_pages * PAGE_SIZE)
 
-boolean_t ofw_cpu_reg(phandle_t node, u_int, cell_t *);
-
 uint32_t __riscv_boot_ap[MAXCPU];
 
 static enum {