Remove expectations / -r from DM entirely.

Remove expectations / -r from DM entirely.

It's getting tricky to coordinate changes to output for bots with -r,
and -r is not widely used.  The suggested alternative is to run skdiff.

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/197ceda92966359962c51923a01dd2b0018b080f

[mtklein, 2014-09-08 20:35:46]

mtklein@google.com changed reviewers:
+ jcgregorio@google.com, mtklein@google.com

[jcgregorio, 2014-09-09 12:51:45]

On 2014/09/08 20:35:47, mtklein wrote:

LGTM

[mtklein, 2014-09-09 14:28:32]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-09-09 14:29:27]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/553583004/20001

[commit-bot: I haz the power, 2014-09-09 14:37:02]

Committed patchset #2 (id:20001) as 197ceda92966359962c51923a01dd2b0018b080f