Remove unused ArcApps variable

Change-Id: I3b6c93cc61d66922b92ac12cfcc31e4e528000c0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1731637
Commit-Queue: Nigel Tao <nigeltao@chromium.org>
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683495}
1 file changed