Revert of Handle typographical apostrophe with spelling service client

Revert of Handle typographical apostrophe with spelling service client (patchset #9 id:260001 of https://codereview.chromium.org/1092243002/)

Reason for revert:
Suspected to be causing crashes in http://crbug.com/502786.

Original issue's description:
> Handle typographical apostrophe with spelling service client
>
> Do not mark typographical apostrophe as misspelled, if the server wants
> to replace it with a typewriter apostrophe.
>
> TEST=SpellCheckTest.CreateTextCheckingResults
> TEST=SpellCheckTest.IsValidContraction
> TEST=SpellcheckWordIteratorTest.TypographicalApostropheIsPartOfWord
> TEST=SpellingServiceClientTest.RequestTextCheck
> BUG=165079
>
> Committed: https://crrev.com/e12b92b09e5aa238758e3f2f0d7c195709fbf217
> Cr-Commit-Position: refs/heads/master@{#335193}

TBR=groby@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=165079
Committed: https://crrev.com/34bece1d38a9fec7e6903eceff8c75aea3b153e7
Cr-Commit-Position: refs/heads/master@{#335454}

[please use gerrit instead, 2015-06-21 18:11:15]

Created Revert of Handle typographical apostrophe with spelling service client

[commit-bot: I haz the power, 2015-06-21 18:11:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1201563004/1

[commit-bot: I haz the power, 2015-06-21 18:11:51]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-21 18:12:40]

Patchset 1 (id:??) landed as
https://crrev.com/34bece1d38a9fec7e6903eceff8c75aea3b153e7
Cr-Commit-Position: refs/heads/master@{#335454}