Revert "[Touchless] Update placeholder text and add special case for first run"

This reverts commit 91720b9ea5770a6167b0410264dccdee854c26ef.

Reason for revert: Crashes on ToT.

Original change's description:
> [Touchless] Update placeholder text and add special case for first run
>
> Bug: 954529
> Change-Id: I9cba7d40d2bc024226274debf1ffc1c5e60b5241
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1574297
> Reviewed-by: Matthew Jones <mdjones@chromium.org>
> Reviewed-by: Justin DeWitt <dewittj@chromium.org>
> Commit-Queue: Brandon Wylie <wylieb@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#654064}

TBR=dewittj@chromium.org,mdjones@chromium.org,wylieb@chromium.org

Change-Id: Ie197a82e1285a21fa47d9fadef47db757f971918
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 954529
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1585105
Reviewed-by: Brandon Wylie <wylieb@chromium.org>
Commit-Queue: Brandon Wylie <wylieb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#654164}
5 files changed