Revert 237638 "Build liblouis_nacl using gyp."

> Build liblouis_nacl using gyp.
> 
> This cl ports the nacl wrapper to the chromium build system and adds local modifications from Chromevox to liblouis. The native library and braille tables are copied to the location in the resources output directory where chromevox can pick them up.
> 
> BUG=316353
> 
> Review URL: https://codereview.chromium.org/67283007

TBR=plundblad@chromium.org

Review URL: https://codereview.chromium.org/93783003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237670 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237670