Revert "First draft of an App Service ARC++ publisher"

This reverts commit 7cd680d601dadc27d26d1a6e17658028f49fab56.

Reason for revert:

Findit (https://goo.gl/kROfz5) identified CL at revision 621923 as the
culprit for failures in the build cycles as shown on:
https://findit-for-me.appspot.com/waterfall/culprit?key=ag9zfmZpbmRpdC1mb3ItbWVyRAsSDVdmU3VzcGVjdGVkQ0wiMWNocm9taXVtLzdjZDY4MGQ2MDFkYWRjMjdkMjZkMWE2ZTE3NjU4MDI4ZjQ5ZmFiNTYM

Sample Failed Build: https://ci.chromium.org/buildbot/chromium.chromiumos/chromeos-daisy-rel/44281

Sample Failed Step: compile

Original change's description:
> First draft of an App Service ARC++ publisher
> 
> Lots of TODOs, but there's enough implemented so that running "chrome
> --enable-features=AppService" will populate the launcher with ARC++
> apps' names and icons, and clicking on the icon will launch the app.
> 
> BUG=826982
> 
> Change-Id: Ie61b33ce9fa0588e53615f5e086d558fe6abf840
> Reviewed-on: https://chromium-review.googlesource.com/c/1377485
> Commit-Queue: Nigel Tao <nigeltao@chromium.org>
> Reviewed-by: Dominick Ng <dominickn@chromium.org>
> Reviewed-by: James Cook <jamescook@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#621923}

No-Presubmit: true
No-Tree-Checks: true
No-Try: true
BUG=826982

Change-Id: I8473f94521c3be383cd2683e9157d911288818c5
Reviewed-on: https://chromium-review.googlesource.com/c/1406146
Cr-Commit-Position: refs/heads/master@{#621928}
12 files changed