Remove unnecessary type attribute on script tags

client-data/board.html

 	<title>{{board}} | WBO | {{translate translations 'Collaborative whiteboard'}}</title>
 	<meta name="viewport" content="width=device-width, initial-scale=1" />
 	<link rel="stylesheet" type="text/css" href="board.css" />
-	<script type="text/javascript" src="/socket.io/socket.io.js"></script>
+	<script src="/socket.io/socket.io.js"></script>
 	<meta name="description"
 		content="{{translate translations 'A free and opensource online collaborative drawing tool. Sketch new ideas together on WBO !'}}'" />
 	<meta name="keywords"
 
 
 	<script type="application/json" id="translations">{{{json translations}}}</script>
-	<script type="text/javascript" src="js/path-data-polyfill.js"></script>
-	<script type="text/javascript" src="js/minitpl.js"></script>
-	<script type="text/javascript" src="js/board.js"></script>
-	<script type="text/javascript" src="tools/pencil/pencil.js"></script>
-	<script type="text/javascript" src="tools/line/line.js"></script>
-	<script type="text/javascript" src="tools/rect/rect.js"></script>
-	<script type="text/javascript" src="tools/text/text.js"></script>
-	<script type="text/javascript" src="tools/eraser/eraser.js"></script>
-	<script type="text/javascript" src="tools/hand/hand.js"></script>
-	<script type="text/javascript" src="tools/zoom/zoom.js"></script>
-	<script type="text/javascript" src="/js/canvascolor/canvascolor.min.js"></script>
+	<script src="js/path-data-polyfill.js"></script>
+	<script src="js/minitpl.js"></script>
+	<script src="js/board.js"></script>
+	<script src="tools/pencil/pencil.js"></script>
+	<script src="tools/line/line.js"></script>
+	<script src="tools/rect/rect.js"></script>
+	<script src="tools/text/text.js"></script>
+	<script src="tools/eraser/eraser.js"></script>
+	<script src="tools/hand/hand.js"></script>
+	<script src="tools/zoom/zoom.js"></script>
+	<script src="/js/canvascolor/canvascolor.min.js"></script>
 </body>
 
 </html>