pantheon.elementary-photos: 2.6.2 -> 2.6.3

Drop gexiv2 0.12 patch, fix is upstream.

https://github.com/elementary/photos/releases/tag/2.6.3

pkgs/desktops/pantheon/apps/elementary-photos/default.nix

@@ -5,7 +5,7 @@
 
 stdenv.mkDerivation rec {
   pname = "photos";
-  version = "2.6.2";
+  version = "2.6.3";
 
   name = "elementary-${pname}-${version}";
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     owner = "elementary";
     repo = pname;
     rev = version;
-    sha256 = "166a1jb85n67z6ffm5i0xzap407rv0r511lzh0gidkap1qy6pnmi";
+    sha256 = "1s0ww5g26wj0gd1drj8gxs74gvg2c9fdj4ixpifj8jh8yafdmrvg";
   };
 
   passthru = {
@@ -66,14 +66,6 @@ stdenv.mkDerivation rec {
     "-Dplugins=false"
   ];
 
-  patches = [
-    # Fix build against gexiv2 0.12
-    (fetchpatch {
-      url = "https://github.com/elementary/photos/commit/86df00ced674abb2ee430ea24422079cfabb314c.patch";
-      sha256 = "0836fzja93w36jf7ldqypsmnqn46mwsl93q41m104zn8qm0wrkmy";
-    })
-  ];
-
   postPatch = ''
     chmod +x meson/post_install.py
     patchShebangs meson/post_install.py