xorg-server: remove nvidias configuration from xorg

the nvidia package itself ships this file. The legacy nvidia304 packages
does not, so we move this file to nvidia304 in the next commit.

addresses #5081.

srcpkgs/xorg-server/files/30-nvidia-drm-outputclass.conf

@@ -1,6 +0,0 @@
-Section "OutputClass"
-	Identifier "nvidia"
-	MatchDriver "nvidia-drm"
-	Driver "nvidia"
-EndSection
-

srcpkgs/xorg-server/template

@@ -1,7 +1,7 @@
 # Template build file for 'xorg-server'.
 pkgname=xorg-server
 version=1.18.4
-revision=2
+revision=3
 build_style=gnu-configure
 configure_args="--enable-ipv6 --enable-record --enable-xorg
  --enable-xnest --enable-xephyr --enable-composite --enable-xvfb
@@ -71,7 +71,6 @@ post_install() {
 		*-musl) vinstall ${FILESDIR}/20-modules.conf 644 usr/share/X11/xorg.conf.d;;
 	esac
 
-	vinstall ${FILESDIR}/30-nvidia-drm-outputclass.conf 644 usr/share/X11/xorg.conf.d
 	vinstall ${FILESDIR}/Xwrapper.config 644 etc/X11
 
 	vlicense COPYING