Revert of Enable sanitizer default options for 32-bit CrOS

Revert of Enable sanitizer default options for 32-bit CrOS (patchset #1 id:1 of https://codereview.chromium.org/899973006/)

Reason for revert:
x86-ASAN is breaking: see http://build.chromium.org/p/chromiumos/builders/x86-generic%20ASAN/builds/20379/steps/BuildPackages/logs/stdio

chromeos-chrome-42.0.2301.0_rc-r1: FAILED: clang++ -Wl,-O2 -Wl,--as-needed -Wl,-z,now -Wl,-z,relro -Wl,--fatal-warnings -pthread -Wl,-z,noexecstack -fPIC -fuse-ld=gold -Wl,-u_sanitizer_options_link_helper -m32 -Wl,-O1 -Wl,--gc-sections -o mksnapshot -Wl,--start-group obj.host/v8/src/mksnapshot.mksnapshot.o obj.host/build/sanitizers/libsanitizer_options.a obj.host/v8/tools/gyp/libv8_base.a obj.host/v8/tools/gyp/libv8_nosnapshot.a obj.host/v8/tools/gyp/libv8_libplatform.a obj.host/third_party/icu/libicui18n.a obj.host/third_party/icu/libicuuc.a obj.host/v8/tools/gyp/libv8_libbase.a obj.host/third_party/icu/libicudata.a -Wl,--end-group  -lrt
chromeos-chrome-42.0.2301.0_rc-r1: /usr/x86_64-pc-linux-gnu/binutils-bin/2.24/ld.gold.real: error: obj.host/build/sanitizers/libsanitizer_options.a(obj.host/build/sanitizers/sanitizer_options.sanitizer_options.o): incompatible target

Original issue's description:
> Enable sanitizer default options for 32-bit CrOS
>
> BUG=302040
> TBR=earthdok@chromium.org
>
> Committed: https://crrev.com/0ed000a79da1b02a8a3d095286f3e076d732f393
> Cr-Commit-Position: refs/heads/master@{#315291}

TBR=earthdok@chromium.org,glider@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=302040
Committed: https://crrev.com/f33741de3f9f0730fcb879e149d1e463ed693c51
Cr-Commit-Position: refs/heads/master@{#315667}

[girard, 2015-02-10 23:00:45]

Created Revert of Enable sanitizer default options for 32-bit CrOS

[commit-bot: I haz the power, 2015-02-10 23:02:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/912123002/1

[commit-bot: I haz the power, 2015-02-10 23:03:01]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-10 23:03:46]

Patchset 1 (id:??) landed as
https://crrev.com/f33741de3f9f0730fcb879e149d1e463ed693c51
Cr-Commit-Position: refs/heads/master@{#315667}