MAINTAINERS: Remove bouncing T7XX reviewer

This reviewer's email no longer works. Remove it from MAINTAINERS.

Cc: Chandrashekar Devegowda <[email protected]>
Cc: Liu Haijun <[email protected]>
Cc: Ricardo Martinez <[email protected]>
Cc: Sergey Ryazanov <[email protected]>
Cc: Johannes Berg <[email protected]>
Cc: Andrew Lunn <[email protected]>
Signed-off-by: Dave Hansen <[email protected]>
Reviewed-by: Loic Poulain <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: hansendc

MAINTAINERS

@@ -16358,7 +16358,6 @@ F:	net/dsa/tag_mtk.c
 
 MEDIATEK T7XX 5G WWAN MODEM DRIVER
 M:	Chandrashekar Devegowda <[email protected]>
-R:	Chiranjeevi Rapolu <[email protected]>
 R:	Liu Haijun <[email protected]>
 R:	Ricardo Martinez <[email protected]>
 L:	[email protected]