Do not look for isolinux/desktop/*cfg files

d-i has removed these files now, so don't look for them for kernel
params. Closes: #767223, #766411. Thanks to Prema and Vagrant for
(identical!) patches. :-)

debian/changelog

@@ -12,6 +12,11 @@ debian-cd (3.1.16) UNRELEASED; urgency=medium
   * Extend FORCE_SID_TASKSEL usage in update_tasks to also affect desktop
     choice algorithm
   * Add experimental support for arm64 booting via UEFI
+  * Use new tasksel interface to determine default desktop.
+    Closes: #762613
+  * Do not look for isolinux/desktop/*cfg files for appending
+    kernel params for Jessie. Closes: #767223, #766411. Thanks to Prema
+    and Vagrant for (identical!) patches. :-)
 
   [ Philipp Hahn ]
   * Fix word-splitting regexp in generate_di_list. Closes: #758512.

tools/boot/jessie/boot-x86

@@ -364,7 +364,7 @@ sed -i "s|built on|built $BUILD_DATE; d-i|" boot$N/isolinux/f1.txt
 
 if [ -n "$KERNEL_PARAMS" ]; then
 	# Substitute custom kernel params into the isolinux config file(s)
-	for file in boot$N/isolinux/*.cfg boot$N/isolinux/desktop/*.cfg; do
+	for file in boot$N/isolinux/*.cfg; do
 		case "$(basename $file)" in
 			instsel.cfg)
 				continue ;;