Revert of Fix the condensed NTP layout for tablets. (patchset #2 id:20001 of https://codereview.chromium.org/2750503008/ )

      Reason for revert:
This is causing KitKat Tablet Tester to fail the chrome_public_test_apk step.

Original issue's description:
> Fix the condensed NTP layout for tablets.
>
> BUG=700947
>
> Review-Url: https://codereview.chromium.org/2750503008
> Cr-Commit-Position: refs/heads/master@{#457068}
> Committed: https://chromium.googlesource.com/chromium/src/+/aa26b1a2d7c80e970051ee002dd072f37f9a3852

TBR=bauerb@chromium.org,mvanouwerkerk@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=700947

Review-Url: https://codereview.chromium.org/2755883002
Cr-Commit-Position: refs/heads/master@{#457362}