RDMA/hns: Remove VF extend configuration

mainline inclusion
from mainline-v6.6-rc1
commit 0b5eed06
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8E9OJ
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0b5eed06832c87275ee67f69a943d811b1fe066d



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Remove VF extend configuration since the relative registers are
configured in firmware currently.

Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20230721025146.450831-3-huangjunxian6@hisilicon.com


Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Juan Zhou <zhoujuan51@h-partners.com>