get modernizer from cdn

buildScripts/website.ant.xml

@@ -74,13 +74,6 @@ such as applying the templates to produce the website, converting the changelog
 	<target name="-website.clientdeps">
 		<mkdir dir="build/website/js" />
 		
-		<get src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.8.3/modernizr.min.js" dest="build/website/js/modernizr.min.js" usetimestamp="true" />
-		<fail message="modernizr checksum failed">
-			<condition><not>
-				<checksum file="build/website/js/modernizr.min.js" algorithm="SHA-384" property="6cf577980d9ea3779da2ae7a57370f0661b537541551f8d833154824f3f3c85272159f0615f37b369b74e99af6deab6c" verifyproperty="modernizr.ok" />
-			</not></condition>
-		</fail>
-		
 		<get src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.1.3/js/bootstrap.min.js" dest="build/website/js/bootstrap.min.js" usetimestamp="true" />
 		<fail message="bootstrap checksum failed">
 			<condition><not>

website/templates/_scaffold.html

@@ -43,7 +43,7 @@
 
 		<title>${title}</title>
 
-		<script src="/js/modernizr.min.js"></script>
+		<script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.8.3/modernizr.min.js" integrity="sha512-3n19xznO0ubPpSwYCRRBgHh63DrV+bdZfHK52b1esvId4GsfwStQNPJFjeQos2h3JwCmZl0/LgLxSKMAI55hgw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
 
 		<link href="/css/bootstrap.css" rel="stylesheet" />
 		<link href="/css/font-awesome.min.css" rel="stylesheet" />