Revert of Integrate SIMD optimisations for zlib

Revert of Integrate SIMD optimisations for zlib (patchset #14 id:280001 of https://codereview.chromium.org/552123005/)

Reason for revert:
Strong candidate for: multiple Linux MSan test failures with:

SUMMARY: MemorySanitizer: use-of-uninitialized-value ??:0 ??

Including: CompressionUtilsTest.GzipCompression

Original issue's description:
> Integrate SIMD optimisations for zlib
>
> These optimisations have been published on zlib mailing list and at
> https://github.com/jtkukunas/zlib/
>
> This change merges the following optimisation patches:
> - "For x86, add CPUID check."
> - "Adds SSE2 optimized hash shifting to fill_window."
> - "add SSE4.2 optimized hash function"
> - "add PCLMULQDQ optimized CRC folding"
>
> From Jim Kukunas <james.t.kukunas@linux.intel.com>; and adapts them to the
> current zlib version in Chromium.
>
> The optimisations are enabled at runtime if all the necessary CPU features are
> present. As the optimisations require extra cflags to enable the compiler to
> use the instructions the optimisations are held in their own static library
> with a stub implementation to allow linking on other platforms.
>
> TEST=net_unittests(GZipUnitTest) passes, Chrome functions and performance
> improvement seen on RoboHornet benchmark on Linux Desktop
> BUG=401517
>
> Committed: https://crrev.com/e045ec106de29562ae94eafccde49a7b73848471
> Cr-Commit-Position: refs/heads/master@{#300866}

TBR=agl@chromium.org,nathan.d.ciobanu@intel.com
NOTREECHECKS=true
NOTRY=true
BUG=401517
Committed: https://crrev.com/ca54b3014721cdc27e4a17dd2c82fe5811fa39cc
Cr-Commit-Position: refs/heads/master@{#300889}

[robert.bradford, 2014-10-23 14:43:43]

Created Revert of Integrate SIMD optimisations for zlib

[commit-bot: I haz the power, 2014-10-23 14:44:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/671163003/1

[commit-bot: I haz the power, 2014-10-23 14:44:31]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-10-23 14:44:32]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[Avi (use Gerrit), 2014-10-23 14:45:56]

On 2014/10/23 14:44:32, I haz the power (commit-bot) wrote:
> No LGTM from a valid reviewer yet. Only full committers are accepted.
> Even if an LGTM may have been provided, it was from a non-committer or
> a provisional committer, _not_ a full super star committer.
> See http://www.chromium.org/getting-involved/become-a-committer
> Note that this has nothing to do with OWNERS files.

Stampity stamp LGTM

[robert.bradford, 2014-10-23 15:04:05]

The CQ bit was checked by robert.bradford@intel.com

[commit-bot: I haz the power, 2014-10-23 15:04:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/671163003/1

[commit-bot: I haz the power, 2014-10-23 15:05:43]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-23 15:06:22]

Patchset 1 (id:??) landed as
https://crrev.com/ca54b3014721cdc27e4a17dd2c82fe5811fa39cc
Cr-Commit-Position: refs/heads/master@{#300889}