MAINTAINERS: Remove Shengyang as JH7110 DPHY maintainer

Shengyang has stepped away from his duty,
and this email is no longer valid, so removing
the email from MAINTAINERS.

Signed-off-by: keith zhao <keith.zhao@starfivetech.com>
Link: https://lore.kernel.org/r/20241120085609.199586-1-keith.zhao@starfivetech.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: kJugg

MAINTAINERS

@@ -22309,7 +22309,6 @@ F:	drivers/phy/starfive/phy-jh7110-dphy-rx.c
 
 STARFIVE JH7110 DPHY TX DRIVER
 M:	Keith Zhao <keith.zhao@starfivetech.com>
-M:	Shengyang Chen <shengyang.chen@starfivetech.com>
 S:	Supported
 F:	Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-tx.yaml
 F:	drivers/phy/starfive/phy-jh7110-dphy-tx.c