diff --git a/extras/website/404.html b/extras/website/404.html
deleted file mode 100644
index c472b4ea0..000000000
--- a/extras/website/404.html
+++ /dev/null
@@ -1,24 +0,0 @@
----
-layout: default
----
-
-
-
-
-
404
-
-
Page not found :(
-
The requested page could not be found.
-
diff --git a/extras/website/_sass/minimal-mistakes.scss b/extras/website/_sass/minimal-mistakes.scss
deleted file mode 100644
index 1282cad20..000000000
--- a/extras/website/_sass/minimal-mistakes.scss
+++ /dev/null
@@ -1,54 +0,0 @@
-/*!
- * Minimal Mistakes Jekyll Theme 4.24.0 by Michael Rose
- * Copyright 2013-2020 Michael Rose - mademistakes.com | @mmistakes
- * Licensed under MIT (https://github.com/mmistakes/minimal-mistakes/blob/master/LICENSE)
-*/
-
-article.page {
- float: left;
- width: 100%;
-}
-
-/* push the TOC out to the right just a little*/
-.sidebar__right {
- padding-left: 5%;
-}
-.layout--single {
- margin-left: 10%;
- margin-right: 10%;
-}
-
-/* Variables */
-@import "minimal-mistakes/variables";
-
-/* Mixins and functions */
-@import "minimal-mistakes/vendor/breakpoint/breakpoint";
-@include breakpoint-set("to ems", true);
-@import "minimal-mistakes/vendor/magnific-popup/magnific-popup"; // Magnific Popup
-@import "minimal-mistakes/vendor/susy/susy";
-@import "minimal-mistakes/mixins";
-
-/* Core CSS */
-@import "minimal-mistakes/reset";
-@import "minimal-mistakes/base";
-@import "minimal-mistakes/forms";
-@import "minimal-mistakes/tables";
-@import "minimal-mistakes/animations";
-
-/* Components */
-@import "minimal-mistakes/buttons";
-@import "minimal-mistakes/notices";
-@import "minimal-mistakes/masthead";
-@import "minimal-mistakes/navigation";
-@import "minimal-mistakes/footer";
-@import "minimal-mistakes/search";
-@import "minimal-mistakes/syntax";
-
-/* Utility classes */
-@import "minimal-mistakes/utilities";
-
-/* Layout specific */
-@import "minimal-mistakes/page";
-@import "minimal-mistakes/archive";
-@import "minimal-mistakes/sidebar";
-@import "minimal-mistakes/print";
diff --git a/extras/website/javascripts/jquery.js b/extras/website/javascripts/jquery.js
deleted file mode 100644
index d62278931..000000000
--- a/extras/website/javascripts/jquery.js
+++ /dev/null
@@ -1,10364 +0,0 @@
-/*!
- * jQuery JavaScript Library v3.3.1
- * https://jquery.com/
- *
- * Includes Sizzle.js
- * https://sizzlejs.com/
- *
- * Copyright JS Foundation and other contributors
- * Released under the MIT license
- * https://jquery.org/license
- *
- * Date: 2018-01-20T17:24Z
- */
-( function( global, factory ) {
-
- "use strict";
-
- if ( typeof module === "object" && typeof module.exports === "object" ) {
-
- // For CommonJS and CommonJS-like environments where a proper `window`
- // is present, execute the factory and get jQuery.
- // For environments that do not have a `window` with a `document`
- // (such as Node.js), expose a factory as module.exports.
- // This accentuates the need for the creation of a real `window`.
- // e.g. var jQuery = require("jquery")(window);
- // See ticket #14549 for more info.
- module.exports = global.document ?
- factory( global, true ) :
- function( w ) {
- if ( !w.document ) {
- throw new Error( "jQuery requires a window with a document" );
- }
- return factory( w );
- };
- } else {
- factory( global );
- }
-
-// Pass this if window is not defined yet
-} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
-
-// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
-// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
-// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
-// enough that all such attempts are guarded in a try block.
-"use strict";
-
-var arr = [];
-
-var document = window.document;
-
-var getProto = Object.getPrototypeOf;
-
-var slice = arr.slice;
-
-var concat = arr.concat;
-
-var push = arr.push;
-
-var indexOf = arr.indexOf;
-
-var class2type = {};
-
-var toString = class2type.toString;
-
-var hasOwn = class2type.hasOwnProperty;
-
-var fnToString = hasOwn.toString;
-
-var ObjectFunctionString = fnToString.call( Object );
-
-var support = {};
-
-var isFunction = function isFunction( obj ) {
-
- // Support: Chrome <=57, Firefox <=52
- // In some browsers, typeof returns "function" for HTML