Remove non-applicable mojo unittests

Remove non-applicable mojo unittests

These targets are being developed canonically in the mojo repo and
tested there, no reason to run the tests in the chromium repo. The mojo
tests that should run in the chomium repository are:

mojo_public_* - the mojo SDK tests
mojo_system_unittests - mojo EDK tests
mojo_common_unittests - tests for mojo<->chromium glue
mojo_*_js_unittests - mojo JS bindings tests, which is being developed
in chromium.

R=sky@chromium.org

Committed: https://crrev.com/269a15af86a8d75e132e02df23a6a39154cf385e
Cr-Commit-Position: refs/heads/master@{#300601}

[sky, 2014-10-21 22:45:40]

LGTM

[jamesr, 2014-10-21 22:47:04]

The CQ bit was checked by jamesr@chromium.org

[commit-bot: I haz the power, 2014-10-21 22:49:16]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/656423003/1

[commit-bot: I haz the power, 2014-10-22 01:23:24]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-22 04:04:49]

Patchset 1 (id:??) landed as
https://crrev.com/269a15af86a8d75e132e02df23a6a39154cf385e
Cr-Commit-Position: refs/heads/master@{#300601}