wt: 3.3.6 -> 4.0.0

Fix build with new Boost.

pkgs/development/libraries/wt/default.nix

@@ -4,13 +4,13 @@
 
 stdenv.mkDerivation rec {
   name = "wt";
-  version = "3.3.6";
+  version = "4.0.0";
 
   src = fetchFromGitHub {
     owner = "kdeforche";
     repo = name;
     rev = version;
-    sha256 = "1pvykc969l9cpd0da8bgpi4gr8f6qczrbpprrxamyj1pn0ydzvq3";
+    sha256 = "1451xxvnx6mlvxg0jxlr1mfv5v18h2214kijk5kacilqashfc43i";
   };
 
   enableParallelBuilding = true;
@@ -28,8 +28,6 @@ stdenv.mkDerivation rec {
     "--no-warn-unused-cli"
   ];
 
-  patches = [ ./cmake.patch ];  # fix a cmake warning; PR sent to upstream 
-
   meta = with stdenv.lib; {
     homepage = https://www.webtoolkit.eu/wt;
     description = "C++ library for developing web applications";