Revert of mojo: Starting serialization for python bindings.

Revert of mojo: Starting serialization for python bindings. (patchset #3 id:40001 of https://codereview.chromium.org/570563002/)

Reason for revert:
This patch appears to be causing failures on the Linux Tests bot.

http://build.chromium.org/p/chromium.linux/builders/Linux%20Tests/builds/13627

Original issue's description:
> mojo: Starting serialization for python bindings.
>
> R=sdefresne@chromium.org,cmasone@chromium.org
>
> Committed: https://crrev.com/4e395c5e4c9025f187c98fb38730858b5cfdcc65
> Cr-Commit-Position: refs/heads/master@{#294846}

TBR=cmasone@chromium.org,sdefresne@chromium.org,qsr@chromium.org
NOTREECHECKS=true
NOTRY=true

Committed: https://crrev.com/9e3ffc5e9285de0bddd79fec4700b05da8c57a79
Cr-Commit-Position: refs/heads/master@{#294959}

[acolwell GONE FROM CHROMIUM, 2014-09-16 00:45:56]

Created Revert of mojo: Starting serialization for python bindings.

[commit-bot: I haz the power, 2014-09-16 00:48:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/576603002/1

[commit-bot: I haz the power, 2014-09-16 01:10:38]

Committed patchset #1 (id:1) as d8ddb6edcabdeeb2bc4bd7bc1e9f8964c0c6b263

[commit-bot: I haz the power, 2014-09-16 01:13:33]

Patchset 1 (id:??) landed as
https://crrev.com/9e3ffc5e9285de0bddd79fec4700b05da8c57a79
Cr-Commit-Position: refs/heads/master@{#294959}

[qsr, 2014-09-16 07:26:50]

lgtm

[sdefresne, 2014-09-16 07:52:24]

lgtm