haskell-hans: drop obsolete patch

pkgs/development/haskell-modules/configuration-common.nix

@@ -765,9 +765,6 @@ self: super: {
   elm-server = markBroken super.elm-server;
   elm-yesod = markBroken super.elm-yesod;
 
-  # https://github.com/GaloisInc/HaNS/pull/8
-  hans = appendPatch super.hans ./patches/hans-disable-webserver.patch;
-
   # https://github.com/athanclark/sets/issues/2
   sets = dontCheck super.sets;
 

pkgs/development/haskell-modules/patches/hans-disable-webserver.patch

@@ -1,11 +0,0 @@
-diff -Naur hans-2.5.0.0/hans.cabal hans-2.5.0.1/hans.cabal
---- hans-2.5.0.0/hans.cabal     2015-08-06 14:48:45.453072822 +0300
-+++ hans-2.5.0.1/hans.cabal     2015-08-06 14:49:13.044391528 +0300
-@@ -30,6 +30,7 @@
-         description:    Build the example program
-
- flag web-server
-+        default:        False
-         description:    Build a simple web-server example
-
- flag word32-in-random