cros: Remove profile picture selection screen from OOBE (Part I)

This CL changes the behavior. Another CL (https://crrev.com/c/1341158)
removes the resources, but for now we don't want to land the second
one because the resources will be used by Discover.

Bug: 903577
Change-Id: I004abeb0541f64c5ab8ba655cf8c7cf6736a7cb6
Reviewed-on: https://chromium-review.googlesource.com/c/1341149
Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Commit-Queue: Wenzhao (Colin) Zang <wzang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611025}
3 files changed