mesa: 21.3.5 -> 21.3.6

pkgs/development/libraries/mesa/default.nix

@@ -33,7 +33,7 @@ with lib;
 let
   # Release calendar: https://www.mesa3d.org/release-calendar.html
   # Release frequency: https://www.mesa3d.org/releasing.html#schedule
-  version = "21.3.5";
+  version = "21.3.6";
   branch  = versions.major version;
 
 self = stdenv.mkDerivation {
@@ -47,18 +47,13 @@ self = stdenv.mkDerivation {
       "ftp://ftp.freedesktop.org/pub/mesa/${version}/mesa-${version}.tar.xz"
       "ftp://ftp.freedesktop.org/pub/mesa/older-versions/${branch}.x/${version}/mesa-${version}.tar.xz"
     ];
-    sha256 = "0k2ary16ixsrp65m2n5djpr51nbwdgzpv81pfrnqbvk44jfjlfyr";
+    sha256 = "0dk717mrp59i6wgf5nir7126hmjw48jw1z15s10smsa6slgpdfwn";
   };
 
   # TODO:
   #  revive ./dricore-gallium.patch when it gets ported (from Ubuntu), as it saved
   #  ~35 MB in $drivers; watch https://launchpad.net/ubuntu/+source/mesa/+changelog
   patches = [
-    # To fix flickering on Intel GPUs (iris), see https://github.com/NixOS/nixpkgs/issues/153377:
-    (fetchpatch {
-      url = "https://gitlab.freedesktop.org/mesa/mesa/-/commit/07dc3d4238e57901ccf98e0b506d9aad2c86b9d9.diff";
-      sha256 = "sha256-3fa1qHJes3x1/iXsxfjgy9HnEGlOyFtJatSkU1a3XDI=";
-    })
     # fixes pkgsMusl.mesa build
     ./musl.patch
     (fetchpatch {