Revert of mb: Add config for new 64 bit android compile on chromium.perf

Revert of mb: Add config for new 64 bit android compile on chromium.perf (patchset #2 id:20001 of https://codereview.chromium.org/2583813002/ )

Reason for revert:
This might cause flakiness:
https://bugs.chromium.org/p/chromium/issues/detail?id=675722

Original issue's description:
> mb: Add config for new 64 bit android compile on chromium.perf
> 
> BUG=639530
> 
> Committed: https://crrev.com/6971e1458ef6a841163678e915cfa91352ced7ae
> Cr-Commit-Position: refs/heads/master@{#439254}

TBR=dpranke@chromium.org,phajdan.jr@chromium.org,sullivan@chromium.org,martiniss@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=639530

[yoichio, 2016-12-20 02:10:50]

Created Revert of mb: Add config for new 64 bit android compile on chromium.perf

[yoichio, 2016-12-20 02:11:03]

The CQ bit was checked by yoichio@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-12-20 02:11:17]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Dirk Pranke, 2016-12-20 02:17:13]

The CQ bit was unchecked by dpranke@chromium.org

[Dirk Pranke, 2016-12-20 02:18:21]

On 2016/12/20 02:17:13, Dirk Pranke wrote:
> The CQ bit was unchecked by mailto:dpranke@chromium.org

Unchecking the CQ button; this CL wouldn't have caused the failures in the
linked bug.

[sullivan, 2016-12-20 16:48:34]

On 2016/12/20 02:18:21, Dirk Pranke wrote:
> On 2016/12/20 02:17:13, Dirk Pranke wrote:
> > The CQ bit was unchecked by mailto:dpranke@chromium.org
> 
> Unchecking the CQ button; this CL wouldn't have caused the failures in the
> linked bug.

Thanks, Dirk! Agreed this seems unrelated.