Revert converting "Google Chrome Linux" builder to chromium recipe
Revert converting "Google Chrome Linux" builder to chromium recipe

Handling of bot bitness in recipes will likely need a change.

> Explicitly set bitness for master.chromium.chrome recipe builders.
>
> BUG=317931
>
> Review URL: https://codereview.chromium.org/142563005

> Switch master.chromium.chrome "Google Chrome Linux" builder to chromium recipe
>
> BUG=338501
>
> Review URL: https://codereview.chromium.org/151063002

BUG=338501

Review URL: https://codereview.chromium.org/151713002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@248242 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build