Revert "Add a new contrib/desktopentry-setlang/ mechanism"

This reverts commit 08b6281f60ab543510d9b4c74c81d1d8c9391906.

The Login manager is reponsible for setting the correct language
(LANG, etc) information before starting a CDE session.

cde/contrib/desktopentry-setlang/README-cde-alt

@@ -1,18 +0,0 @@
-This is another method to setup an xsession which allows you to execute
-commads before the CDE Xsession gets executed. 
-This alternate method is useful when for example you need to 
-set a different language.
-
-In this example we 
-1. have the login manager execute /usr/dt/bin/startxsession.sh script
-2. The /usr/dt/bin/startxsession.sh first sets properly the LANG variable
-	(or you can add whatever you want to execute before CDE Xsession starts)
-	and then executes /usr/dt/bin/Xsession which will start CDE.
-
-To install, after you edit the startxsession.sh to your liking, do as root:
-
-cp /path/to/cdesktopenv-code/cde/contrib/desktopentry/cde-alt.desktop /usr/share/xsessions/
-cp /path/to/cdesktopenv-code/cde/contrib/desktopentry/startxsession.sh /usr/dt/bin/
-chmod ugo+rx /usr/dt/bin/startxsession.sh
-
-

cde/contrib/desktopentry-setlang/cde-alt.desktop

@@ -1,7 +0,0 @@
-[Desktop Entry]
-Name=CDE
-Comment=Use this session to boot into the Common Desktop Environment
-Keywords=Common Desktop Environment
-Exec=/usr/dt/bin/startxsession.sh
-Icon=Dtlogo.pm
-Type=Application

cde/contrib/desktopentry-setlang/startxsession.sh

@@ -1,6 +0,0 @@
-#!/bin/sh
-
-export PATH=$PATH:/usr/dt/bin
-export LANG=el_GR.UTF-8
-/usr/dt/bin/Xsession
-