large-file-support: Remove app-arch/brotli

brotli was uprev'd in crrev/c/4676393 with large-file support.

BUG=none
TEST=CQ passes

Change-Id: I50bbb4e365d04a6db21c93c996e0a763c193142a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/4715343
Tested-by: Matt Turner <msturner@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Auto-Submit: Matt Turner <msturner@google.com>
Commit-Queue: Mike Frysinger <vapier@chromium.org>