[gucharmap] Drop an unused patch

[Kalev Lember]

commit 821946d3bd6c34fd11387d03c35e8a14c30e91de
Author: Kalev Lember <kalevlember at gmail.com>
Date:   Fri Feb 22 13:04:45 2013 +0100

    Drop an unused patch

 button-images.patch |   29 -----------------------------
 1 files changed, 0 insertions(+), 29 deletions(-)