Remove experimental/json-expectations , no longer needed.

Remove experimental/json-expectations , no longer needed.

R=scroggo@google.com

Committed: https://code.google.com/p/skia/source/detail?r=10941

[epoger, 2013-08-27 15:54:27]

These were used to test out json-based expectations, but now that we have moved
to those in production we don't need the test ones anymore.

[scroggo, 2013-08-27 16:08:26]

On 2013/08/27 15:54:27, epoger wrote:
> These were used to test out json-based expectations, but now that we have
moved
> to those in production we don't need the test ones anymore.

lgtm

[epoger, 2013-08-27 16:48:08]

Committed patchset #1 manually as r10941 (presubmit successful).