lua*Packages.http: 0.3 -> 0.4 (and generate)

One bugfix patch is included - merged upstream but not released yet.
knot-resolver wrapper would need to add binaryheap explicitly,
so it's migrated to the automatic LUA path discovery instead.

pkgs/top-level/lua-packages.nix

@@ -193,38 +193,6 @@ with self; {
     };
   };
 
-  http = buildLuaPackage rec {
-    version = "0.2";
-    name = "http-${version}";
-
-    src = fetchFromGitHub {
-      owner = "daurnimator";
-      repo = "lua-http";
-      rev = "v${version}";
-      sha256 = "0a8vsj49alaf1fkhv51n5mgpjq8izfff3shcjs8xk7p2bc46vd7i";
-    };
-
-    /* TODO: separate docs derivation? (pandoc is heavy)
-    nativeBuildInputs = [ pandoc ];
-    makeFlags = [ "-C doc" "lua-http.html" "lua-http.3" ];
-    */
-
-    buildPhase = ":";
-    installPhase = ''
-      install -Dt "$out/lib/lua/${lua.luaversion}/http" \
-        http/*.lua
-      install -Dt "$out/lib/lua/${lua.luaversion}/http/compat" \
-        http/compat/*.lua
-    '';
-
-    meta = with stdenv.lib; {
-      description = "HTTP library for lua";
-      homepage = "https://daurnimator.github.io/lua-http/${version}/";
-      license = licenses.mit;
-      maintainers = with maintainers; [ vcunat ];
-    };
-  };
-
   luacyrussasl = buildLuaPackage rec {
     version = "1.1.0";
     name = "lua-cyrussasl-${version}";