Delete handlebars JavaScript library

It seems this library is useless and might even interfere with Django
templates during debug if something isn't rendered properly.

static/js/handlebars/LICENSE

@@ -1,19 +0,0 @@
-Copyright (C) 2011-2017 by Yehuda Katz
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.

templates/base.html

@@ -272,7 +272,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
         </footer>
 
         {# Load JavaScript #}
-        <script src="/static/js/handlebars/handlebars.js"></script>
         <script src="/static/js/konami/konami.js"></script>
         <script src="/static/js/sapphire.js"></script>
         <script>