Revert 244286 "Password manager: Gnome support for Public Suffix..."

> Password manager: Gnome support for Public Suffix List matching
> 
> This CL:
> 
> * Enables Public Suffix List (PSL) general utilities on Linux.
> * Enables PSL flag for Linux.
> * Adds Gnome Keyring support for searching and filtering multiple origins, including UMA metrics and a unit test.
> 
> BUG=324291
> 
> Review URL: https://codereview.chromium.org/123223003

TBR=vabr@chromium.org

Review URL: https://codereview.chromium.org/134923004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244292 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 244292