Remove generated /etc/koha/koha-conf.xml when package is purged.

Signed-off-by: Galen Charlton <gmcharlt@gmail.com>

debian/koha.postrm

@@ -10,12 +10,12 @@ if [ -f /usr/share/dbconfig-common/dpkg/postrm.mysql ]; then
     dbc_go koha $@
 fi
 
-#if [ "$1" = "purge" ]; then
-#	rm -f /etc/db-test-mysql/debian-db.php
-#	if which ucf >/dev/null 2>&1; then
-#		ucf --purge /etc/db-test-mysql/debian-db.php
-#		ucfr --purge db-test-mysql /etc/db-test-mysql/debian-db.php
-#	fi
-#fi
+if [ "$1" = "purge" ]; then
+    configfile="/etc/koha/koha-conf.xml"
+    rm -f "$configfile"
+    if which ucf >/dev/null 2>&1; then
+        ucf --purge "$configfile"
+    fi
+fi
 
 #DEBHELPER#