CODEOWNERS: cleanup NXP boards owners

Removed NXP board\docs owners to default to board owners.

(cherry picked from commit adf0b6d)

Original-Signed-off-by: David Leach <david.leach@nxp.com>
GitOrigin-RevId: adf0b6d
Change-Id: Id1969692306c76ec188373a893dd2fd712f76b8e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/4801756
Tested-by: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>
Reviewed-by: Fabio Baltieri <fabiobaltieri@google.com>
Tested-by: Fabio Baltieri <fabiobaltieri@google.com>
Commit-Queue: Fabio Baltieri <fabiobaltieri@google.com>

CODEOWNERS

@@ -122,20 +122,16 @@
 /boards/arm/efm32pg_stk3401a/             @rdmeneze
 /boards/arm/faze/                         @mbittan @simonguinot
 /boards/arm/frdm*/                        @mmahadevan108 @dleach02
-/boards/arm/frdm*/doc/                    @dleach02 @MeganHansen
 /boards/arm/gd32*/                        @nandojve
 /boards/arm/google_*/                     @jackrosenthal
 /boards/arm/hexiwear*/                    @mmahadevan108 @dleach02
-/boards/arm/hexiwear*/doc/                @dleach02 @MeganHansen
 /boards/arm/ip_k66f/                      @parthitce @lmajewski
 /boards/arm/legend/                       @mbittan @simonguinot
 /boards/arm/lpcxpresso*/                  @mmahadevan108 @dleach02
-/boards/arm/lpcxpresso*/doc/              @dleach02 @MeganHansen
 /boards/arm/mg100/                        @rerickson1
 /boards/arm/mimx8mm_evk/                  @Mani-Sadhasivam
 /boards/arm/mimx8mm_phyboard_polis        @pefech
 /boards/arm/mimxrt*/                      @mmahadevan108 @dleach02
-/boards/arm/mimxrt*/doc/                  @dleach02 @MeganHansen
 /boards/arm/mps2_an385/                   @fvincenzo
 /boards/arm/msp_exp432p401r_launchxl/     @Mani-Sadhasivam
 /boards/arm/npcx7m6fb_evb/                @MulinChao @ChiHuaL