MAINTAINERS: Remove maintainer of HiSilicon RoCE

Haoyue no longer maintains the Hisilicon RoCE driver. So remove him
from MAINTAINERS.

Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20230807064228.4032536-1-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

Author: Junxian Huang

MAINTAINERS

@@ -9364,7 +9364,6 @@ F:	drivers/crypto/hisilicon/sgl.c
 F:	include/linux/hisi_acc_qm.h
 
 HISILICON ROCE DRIVER
-M:	Haoyue Xu <xuhaoyue1@hisilicon.com>
 M:	Junxian Huang <huangjunxian6@hisilicon.com>
 L:	linux-rdma@vger.kernel.org
 S:	Maintained