Revert of Adding SwiftShader compilation to Linux

Revert of Adding SwiftShader compilation to Linux (patchset #1 id:1 of https://codereview.chromium.org/2528483002/ )

Reason for revert:
broke ClangToTLinuxUBSanVptr bot

Original issue's description:
> Adding SwiftShader compilation to Linux
>
> TBR=thakis@chromium.org
> BUG=630728
>
> Committed: https://crrev.com/265c779f246369ee005a817f201907a16c25290a
> Cr-Commit-Position: refs/heads/master@{#434179}

TBR=thakis@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=630728
Committed: https://crrev.com/a7e3afcba02722c0176e8d47dfdf100787239e3d
Cr-Commit-Position: refs/heads/master@{#434264}

[sugoi1, 2016-11-23 22:02:27]

The CQ bit was checked by sugoi@chromium.org

[sugoi1, 2016-11-23 22:02:27]

Created Revert of Adding SwiftShader compilation to Linux

[commit-bot: I haz the power, 2016-11-23 22:03:52]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-11-23 22:05:28]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1479938547050590, "parent_rev":
"cc8979222023091117abd8f3e6e4eaf233e1c2bc", "commit_rev":
"21038df4232e1601a61240358f6574c8bf7a5ae6"}

[commit-bot: I haz the power, 2016-11-23 22:05:49]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-23 22:07:11]

Description was changed from

==========
Revert of Adding SwiftShader compilation to Linux (patchset #1 id:1 of
https://codereview.chromium.org/2528483002/ )

Reason for revert:
broke ClangToTLinuxUBSanVptr bot

Original issue's description:
> Adding SwiftShader compilation to Linux
> 
> TBR=thakis@chromium.org
> BUG=630728
> 
> Committed: https://crrev.com/265c779f246369ee005a817f201907a16c25290a
> Cr-Commit-Position: refs/heads/master@{#434179}

TBR=thakis@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=630728
==========

to

==========
Revert of Adding SwiftShader compilation to Linux (patchset #1 id:1 of
https://codereview.chromium.org/2528483002/ )

Reason for revert:
broke ClangToTLinuxUBSanVptr bot

Original issue's description:
> Adding SwiftShader compilation to Linux
>
> TBR=thakis@chromium.org
> BUG=630728
>
> Committed: https://crrev.com/265c779f246369ee005a817f201907a16c25290a
> Cr-Commit-Position: refs/heads/master@{#434179}

TBR=thakis@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=630728

Committed: https://crrev.com/a7e3afcba02722c0176e8d47dfdf100787239e3d
Cr-Commit-Position: refs/heads/master@{#434264}
==========

[commit-bot: I haz the power, 2016-11-23 22:07:12]

Patchset 1 (id:??) landed as
https://crrev.com/a7e3afcba02722c0176e8d47dfdf100787239e3d
Cr-Commit-Position: refs/heads/master@{#434264}