MAINTAINERS: Remove Bin Luo as his email bounces

The emails sent to luobin9@huawei.com bounce with error:
 "Recipient address rejected: Failed recipient validation check."

So let's remove his entry and change the status of hinic driver till
someone in Huawei will step-in to maintain it again.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/045a32ccf394de66b7899c8b732f44dc5f4a1154.1632978665.git.leonro@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

MAINTAINERS

@@ -8608,9 +8608,8 @@ F:	Documentation/devicetree/bindings/iio/humidity/st,hts221.yaml
 F:	drivers/iio/humidity/hts221*
 
 HUAWEI ETHERNET DRIVER
-M:	Bin Luo <luobin9@huawei.com>
 L:	netdev@vger.kernel.org
-S:	Supported
+S:	Orphan
 F:	Documentation/networking/device_drivers/ethernet/huawei/hinic.rst
 F:	drivers/net/ethernet/huawei/hinic/