Revert of chrome-si/initializers expectations for protobufs

Revert of chrome-si/initializers expectations for protobufs (patchset #1 id:1 of https://codereview.chromium.org/1312423002/ )

Reason for revert:
We do not tolerate static initializer regressions.

Original issue's description:
> chrome-si/initializers expectations for protobufs
>
> Temporarily expand chrome-si/initializers expectations due to new static
> initializers from ProtoBuf.
>
> BUG=525054, 81439
> TBR=pkasting@chromium.org,mustaq@chromium.org
>
> Committed: https://crrev.com/aa9c64979b341fa34c5668b746014b78015d22fe
> Cr-Commit-Position: refs/heads/master@{#345596}

TBR=mustaq@chromium.org,pkasting@chromium.org,rogerta@chromium.org,battre@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=525054, 81439
Committed: https://crrev.com/6e42b0a09c83fff8c4e0f3a2abcc51e4d4d62426
Cr-Commit-Position: refs/heads/master@{#345788}

[Nico, 2015-08-27 04:06:48]

Created Revert of chrome-si/initializers expectations for protobufs

[commit-bot: I haz the power, 2015-08-27 04:07:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1312733004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1312733004/1

[commit-bot: I haz the power, 2015-08-27 04:08:21]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-08-27 04:09:05]

Patchset 1 (id:??) landed as
https://crrev.com/6e42b0a09c83fff8c4e0f3a2abcc51e4d4d62426
Cr-Commit-Position: refs/heads/master@{#345788}

[mustaq, 2015-08-27 14:43:12]

lgtm