MAINTAINERS: remove jackrosenthal

jackrosenthal hasn't reviewed any PRs or engaged in any Zephyr
activity since Aug 2023.

Recent activities:
  - pr: scripts: zephyr_module: Tolerate symlinks
    #61352
    (2023-08-09T22:27:50Z)
  - commit: f959309

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

Author: kartben

MAINTAINERS.yml

@@ -2790,7 +2790,6 @@ ITE Platforms:
     - RuibinChang
     - Chenhongren
   collaborators:
-    - jackrosenthal
     - keith-zephyr
     - fabiobaltieri
   files:
@@ -3880,7 +3879,6 @@ Nuvoton NPCX Platforms:
     - alvsun
     - sjg20
     - keith-zephyr
-    - jackrosenthal
     - fabiobaltieri
   files:
     - soc/nuvoton/npcx/