WindowMaker: use upstream xsession

srcpkgs/WindowMaker/files/wmaker.desktop

@@ -1,5 +0,0 @@
-[Desktop Entry]
-Encoding=UTF-8
-Name=windowmaker
-Exec=/usr/bin/wmaker
-Type=Application

srcpkgs/WindowMaker/template

@@ -1,7 +1,7 @@
 # Template file for 'WindowMaker'
 pkgname=WindowMaker
 version=0.96.0
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--enable-xinerama --localedir=/usr/share/locale
  --enable-usermenu --enable-modelock --enable-xrandr --enable-wmreplace
@@ -36,7 +36,6 @@ post_configure() {
 
 post_install() {
 	vlicense COPYING.WTFPL
-	vinstall ${FILESDIR}/wmaker.desktop 644 usr/share/xsessions
 }
 
 WindowMaker-devel_package() {