[App Service] Remove redundant intents OWNERS declaractions

These per-file OWNERS rules are redundant, since mxcai@ and I now both
are OWNERS of the whole App Service directory.

Bug: None
Change-Id: Iebfd37a272311202fa12088aafbfda368bc925a1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4568247
Reviewed-by: Maggie Cai <mxcai@chromium.org>
Auto-Submit: Tim Sergeant <tsergeant@chromium.org>
Commit-Queue: Maggie Cai <mxcai@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1150400}

chrome/browser/apps/app_service/OWNERS

@@ -10,11 +10,5 @@ per-file bruschetta*=file://chrome/browser/ash/guest_os/OWNERS
 per-file crostini*=file://chrome/browser/ash/guest_os/OWNERS
 per-file plugin_vm*=file://chrome/browser/ash/guest_os/OWNERS
 
-# For files and intent handling system:
-per-file intent*=mxcai@chromium.org
-per-file file*=mxcai@chromium.org
-per-file intent*=tsergeant@chromium.org
-per-file file*=tsergeant@chromium.org
-
 # For policy_id util:
-per-file policy_util*=greengrape@google.com
+per-file policy_util*=greengrape@google.com