gnu: Switch from dri2proto to xorgproto.

* gnu/packages/gl.scm (mesa)[inputs]: Remove DRI2PROTO.
* gnu/packages/video.scm (libvdpau)[inputs]: Replace DRI2PROTO with XORGPROTO.
* gnu/packages/xorg.scm (dri2proto)[properties]: Mark as superseded by XORGPROTO.
(xorg-server)[inputs]: Remove DRI2PROTO.

gnu/packages/gl.scm

@@ -251,7 +251,6 @@ (define-public mesa
         ("xorgproto" ,xorgproto)))
     (inputs
       `(("expat" ,expat)
-        ("dri2proto" ,dri2proto)
         ("dri3proto" ,dri3proto)
         ("libelf" ,libelf)    ;required for r600 when using llvm
         ("libva" ,(force libva-without-mesa))

gnu/packages/video.scm

@@ -1936,9 +1936,9 @@ (define-public libvdpau
     (native-inputs
      `(("pkg-config" ,pkg-config)))
     (inputs
-     `(("dri2proto" ,dri2proto)
-       ("libx11" ,libx11 "out")
-       ("libxext" ,libxext)))
+     `(("libx11" ,libx11 "out")
+       ("libxext" ,libxext)
+       ("xorgproto" ,xorgproto)))
     (home-page "https://wiki.freedesktop.org/www/Software/VDPAU/")
     (synopsis "Video Decode and Presentation API")
     (description "VDPAU is the Video Decode and Presentation API for UNIX.  It

gnu/packages/xorg.scm

@@ -346,7 +346,8 @@ (define-public dri2proto
      "Direct Rendering Infrastructure 2 Extension defines a protocol to
 securely allow user applications to access the video hardware without
 requiring data to be passed through the X server.")
-    (license license:x11)))
+    (license license:x11)
+    (properties `((superseded . ,xorgproto)))))
 
 (define-public dri3proto
   (package
@@ -5094,8 +5095,7 @@ (define-public xorg-server
             (file-name "xorg-server-use-intel-only-on-pre-gen4.diff"))))))
     (build-system gnu-build-system)
     (propagated-inputs
-      `(("dri2proto" ,dri2proto)
-        ("dri3proto" ,dri3proto)
+      `(("dri3proto" ,dri3proto)
         ("libpciaccess" ,libpciaccess)
         ("mesa" ,mesa)
         ("pixman" ,pixman)