ardour: update to 6.8.

Also remove freedesktop integration from template
because it's handled by upstream since 6.7.

srcpkgs/ardour/template

@@ -1,8 +1,8 @@
 # Template file for 'ardour'
 pkgname=ardour
-version=6.7
+version=6.8
 revision=1
-_commit="6733a847eeb55b4640a65a8bfebac8c7166521c8"
+_commit="1734fac4105106e02219834d330fa9eb0ceef3cd"
 build_style=waf3
 configure_args="--cxx11 --no-phone-home --with-backends=jack,alsa,dummy
  --libjack=weak --optimize --docs --use-external-libs --freedesktop"
@@ -40,13 +40,5 @@ do_fetch() {
 }
 
 post_install() {
-	vinstall build/gtk2_ardour/ardour.xml 644 usr/share/mime/packages
-	vinstall "build/gtk2_ardour/ardour${version%%.*}.desktop" \
-		644 usr/share/applications
-	for size in 16 22 32 48 256 512; do
-		vinstall gtk2_ardour/resources/Ardour-icon_${size}px.png 644 \
-			usr/share/icons/hicolor/${size}x${size}/apps \
-			ardour${version%%.*}.png
-	done
 	vman ardour.1
 }