MAINTAINERS: remove ghu0510

ghu0510 hasn't reviewed any PRs or engaged in any Zephyr
activity since June 2023.

Recent activities:

- commit: b9b714c
- pr: ghu sensing upstream pr3
  zephyrproject-rtos#59469
  (2023-06-21T09:03:35Z)
- pr: sensing subsystem update
  zephyrproject-rtos#59468
  (2023-06-21T08:56:20Z)

Signed-off-by: Benjamin Cabé <[email protected]>

Author: kartben

MAINTAINERS.yml

@@ -4427,7 +4427,6 @@ Sensor Subsystem:
   status: maintained
   maintainers:
     - lixuzha
-    - ghu0510
     - yperess
   collaborators:
     - qianruh