[PATCH -next] hv: hyperv.h: Remove unused extern declaration vmbus_ontimer()

[YueHaibing]

Since commit 30fbee49b071 ("Staging: hv: vmbus: Get rid of the unused function vmbus_ontimer()")
this is not used anymore, so can remove it.

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 include/linux/hyperv.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index bfbc37ce223b..3ac3974b3c78 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1239,9 +1239,6 @@ extern int vmbus_recvpacket_raw(struct vmbus_channel *channel,
 				     u32 *buffer_actual_len,
 				     u64 *requestid);
 
-
-extern void vmbus_ontimer(unsigned long data);
-
 /* Base driver object */
 struct hv_driver {
 	const char *name;
-- 
2.34.1