[system-config-printer] Remove unused patches

[Jiří Popelka]

commit a503622c143cd08a01d77b9fbf9a01b6edc1e5e0
Author: Jiri Popelka <jpopelka at redhat.com>
Date:   Fri Jul 12 15:58:03 2013 +0200

    Remove unused patches

 system-config-printer-DISPLAY.patch  |   36 ----------
 system-config-printer-encoding.patch |  129 ----------------------------------
 system-config-printer-quit.patch     |   17 -----
 3 files changed, 0 insertions(+), 182 deletions(-)