Remove prettify.js

highlight.js now replaces it.  Thanks for the service, prettify.js!

lib/Mojolicious.pm

@@ -750,12 +750,6 @@ Licensed under the MIT License, L<http://creativecommons.org/licenses/MIT>.
 
 Licensed under the BSD License, L<https://github.com/highlightjs/highlight.js/blob/master/LICENSE>.
 
-=head2 prettify.js
-
-  Copyright (C) 2006, 2013 Google Inc..
-
-Licensed under the Apache License, Version 2.0 L<http://www.apache.org/licenses/LICENSE-2.0>.
-
 =head1 CODE NAMES
 
 Every major release of L<Mojolicious> has a code name, these are the ones that have been used in the past.

t/mojolicious/exception_lite_app.t

@@ -257,8 +257,9 @@ ok !$snapshot->{exception}, 'no exception in snapshot';
 
 # Bundled static files
 $t->get_ok('/mojo/jquery/jquery.js')->status_is(200)->content_type_is('application/javascript');
-$t->get_ok('/mojo/prettify/run_prettify.js')->status_is(200)->content_type_is('application/javascript');
-$t->get_ok('/mojo/prettify/prettify-mojo-dark.css')->status_is(200)->content_type_is('text/css');
+$t->get_ok('/mojo/highlight.js/highlight.min.js')->status_is(200)->content_type_is('application/javascript');
+$t->get_ok('/mojo/highlight.js/mojolicious.min.js')->status_is(200)->content_type_is('application/javascript');
+$t->get_ok('/mojo/highlight.js/highlight-mojo-dark.css')->status_is(200)->content_type_is('text/css');
 $t->get_ok('/mojo/failraptor.png')->status_is(200)->content_type_is('image/png');
 $t->get_ok('/mojo/logo.png')->status_is(200)->content_type_is('image/png');
 $t->get_ok('/mojo/logo-black.png')->status_is(200)->content_type_is('image/png');