Revert of Non-SFI mode: Build nacl_helper_nonsfi_unittests

Revert of Non-SFI mode: Build nacl_helper_nonsfi_unittests (patchset #4 id:80001 of https://codereview.chromium.org/1137553003/)

Reason for revert:
This breaks the asan build. See comments on the original CL.

Original issue's description:
> Non-SFI mode: Build nacl_helper_nonsfi_unittests
>
> This CL starts to build nacl_helper_nonsfi_unittests.
> The binary is not yet enabled to run on bots. It will be done in a following CL.
>
> TEST=Ran locally. Ran build bots. Ran build bots with editing configuration to include nacl_helper_nonsfi_unittests.
> BUG=358465
>
> Committed: https://crrev.com/72c418b09bbf90505f54df2b76285650acd97960
> Cr-Commit-Position: refs/heads/master@{#330069}

TBR=mseaborn@chromium.org,mdempsky@chromium.org,thakis@chromium.org,jln@chromium.org,hidehiko@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=358465
Committed: https://crrev.com/aad01297ee28c48a3021339568cacaf16f37fdc0
Cr-Commit-Position: refs/heads/master@{#330147}

[hans, 2015-05-15 18:43:05]

Created Revert of Non-SFI mode: Build nacl_helper_nonsfi_unittests

[mdempsky, 2015-05-15 18:44:23]

lgtm

[commit-bot: I haz the power, 2015-05-15 18:44:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1145593002/1

[commit-bot: I haz the power, 2015-05-15 18:47:44]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-15 18:48:31]

Patchset 1 (id:??) landed as
https://crrev.com/aad01297ee28c48a3021339568cacaf16f37fdc0
Cr-Commit-Position: refs/heads/master@{#330147}