gnu: xf86-video-trident: Update to 1.3.7.

* gnu/packages/patches/xf86-video-trident-remove-mibstore.patch: Delete
  file.
* gnu-system.am (dist_patch_DATA): Remove it.
* gnu/packages/xorg.scm (xf86-video-trident): Update to 1.3.7.
  [source]: Remove patch.

gnu-system.am

@@ -774,7 +774,6 @@ dist_patch_DATA =						\
   gnu/packages/patches/xf86-video-nv-remove-mibstore.patch	\
   gnu/packages/patches/xf86-video-openchrome-glibc-2.20.patch	\
   gnu/packages/patches/xf86-video-tga-remove-mibstore.patch	\
-  gnu/packages/patches/xf86-video-trident-remove-mibstore.patch	\
   gnu/packages/patches/xf86-video-vmware-glibc-2.20.patch	\
   gnu/packages/patches/xfce4-panel-plugins.patch		\
   gnu/packages/patches/xfce4-session-fix-xflock4.patch		\

gnu/packages/patches/xf86-video-trident-remove-mibstore.patch

@@ -1,23 +0,0 @@
-Removes references to mibstore.h and miInitializeBackingStore, which
-have been removed from xorg-server.  Zack Rusin <zackr@vmware.com>
-wrote: "It was a noop for at least 5 years and it has been removed."
-See: http://patches.openembedded.org/patch/46133/
-
---- xf86-video-trident-1.3.6/src/trident_driver.c.~1~	2012-07-15 22:16:00.000000000 -0400
-+++ xf86-video-trident-1.3.6/src/trident_driver.c	2014-12-19 01:45:29.529410518 -0500
-@@ -56,7 +56,6 @@
- 
- #include "mipointer.h"
- 
--#include "mibstore.h"
- #include "shadow.h"
- #include "trident.h"
- #include "trident_regs.h"
-@@ -3037,7 +3036,6 @@
-     	TridentAccelInit(pScreen);
-     }
- 
--    miInitializeBackingStore(pScreen);
-     xf86SetBackingStore(pScreen);
- 
-     /* Initialise cursor functions */

gnu/packages/xorg.scm

@@ -3287,7 +3287,7 @@ X server.")
 (define-public xf86-video-trident
   (package
     (name "xf86-video-trident")
-    (version "1.3.6")
+    (version "1.3.7")
     (source
       (origin
         (method url-fetch)
@@ -3297,9 +3297,7 @@ X server.")
                ".tar.bz2"))
         (sha256
           (base32
-           "0141qbfsm32i0pxjyx5czpa8x8m4lvapsp4amw1qigaa0gry6n3a"))
-        (patches (list
-                  (search-patch "xf86-video-trident-remove-mibstore.patch")))))
+           "1bhkwic2acq9za4yz4bwj338cwv5mdrgr2qmgkhlj3bscbg1imgc"))))
     (build-system gnu-build-system)
     (inputs `(("xf86dgaproto" ,xf86dgaproto)
               ("xorg-server" ,xorg-server)))