[gnome-shell] Remove unused gdm-user-chooser-*.[ch] files

[Colin Walters <walters src gnome org>]

commit 09948ce03388e415711fd53d3944bdf204e82eb1
Author: Colin Walters <walters verbum org>
Date:   Mon Jul 27 17:21:09 2009 -0400

    Remove unused gdm-user-chooser-*.[ch] files
    
    These widgets aren't currently used, delete them for now.

 src/gdmuser/gdm-user-chooser-dialog.c |  208 ----------
 src/gdmuser/gdm-user-chooser-dialog.h |   62 ---
 src/gdmuser/gdm-user-chooser-widget.c |  723 ---------------------------------
 src/gdmuser/gdm-user-chooser-widget.h |   70 ----
 4 files changed, 0 insertions(+), 1063 deletions(-)