Remove obsolete AppRegistry.GetApps method

Bug: 826982
Change-Id: I19e9c4af2f3e53952d8ff8d697a43509d23eb809
Reviewed-on: https://chromium-review.googlesource.com/c/1334668
Commit-Queue: Nigel Tao <nigeltao@chromium.org>
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607841}
4 files changed