drop lxdm_%.bbappend

Since xfce4-panel use lxdm to replace dm-tool, the fake gdmflexiserver
is not necessary, drop bbappend to follow Yocto Project Compatible

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-xfce/recipes-graphics/lxdm/lxdm/gdmflexiserver

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-/usr/sbin/lxdm -c USER_SWITCH

meta-xfce/recipes-graphics/lxdm/lxdm_%.bbappend

@@ -1,7 +0,0 @@
-FILESEXTRAPATHS_append := "${THISDIR}/${BPN}:"
-
-SRC_URI += "file://gdmflexiserver"
-
-do_install_append () {
-    install -D -m 0755 ${WORKDIR}/gdmflexiserver ${D}${bindir}/gdmflexiserver
-}