Stop updating app-defaults/XTerm on all installations

2018.1/aims-desktop-2017/debian/changelog

+aims-desktop (2:2019.07.16) stretch; urgency=medium
+
+  * Bump epoch
+
+ -- Jan Groenewald <jan@aims.ac.za>  Tue, 16 Jul 2019 12:08:06 +0000
+
 aims-desktop (1:2019.07.12) stretch; urgency=medium
 
   * In aims-release-upgrade disable sources containing ubuntu codenames

2020.1/aims-desktop/aims-desktop-2020/debian/changelog

+aims-desktop (1:2020.49) buster; urgency=medium
+
+  * Remove adding of XTerm.QVT on all aims-desktop (only from AIMS ZA finance)
+
+ -- Jan Groenewald <jan@aims.ac.za>  Tue, 16 Jul 2019 12:04:19 +0000
+
 aims-desktop (1:2020.48) buster; urgency=medium
 
   * Remove aims-install-irkernel, r-cran-irkernel is in the AIMS PPA now

2020.1/aims-desktop/aims-desktop-2020/debian/postinst

@@ -4,12 +4,6 @@ glib-compile-schemas /usr/share/glib-2.0/schemas/
 update-desktop-database
 update-mime-database /usr/share/mime
 
-# For Su Finance system keybindings
-if [ -e /etc/X11/app-defaults/XTerm ] && [ ! -e /etc/X11/app-defaults/XTerm.orig ]
-then
-        cp /etc/X11/app-defaults/XTerm /etc/X11/app-defaults/XTerm.orig && cat /etc/X11/app-defaults/XTerm.QVT >> /etc/X11/app-defaults/XTerm
-fi
-
 # We play it very conservative, if this file doessn't exist at all,
 # we write it.
 if [ ! -f /etc/gdm3/custom.conf ]; then