Examples: Clean up

examples/webgl_kinect.html

@@ -38,8 +38,8 @@
 		<script src="js/WebGL.js"></script>
 
 		<video id="video" loop muted crossOrigin="anonymous" webkit-playsinline style="display:none">
-			<source src="textures/kinect.webm" type='video/ogg; codecs="theora, vorbis"'>
-			<source src="textures/kinect.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'>
+			<source src="textures/kinect.webm">
+			<source src="textures/kinect.mp4">
 		</video>
 
 		<script id="vs" type="x-shader/x-vertex">

examples/webgl_video_panorama_equirectangular.html

@@ -34,8 +34,8 @@
 		<script src="js/WebGL.js"></script>
 
 		<video id="video" loop muted crossOrigin="anonymous" webkit-playsinline style="display:none">
-			<source src="textures/pano.webm" type='video/ogg; codecs="theora, vorbis"'>
-			<source src="textures/pano.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'>
+			<source src="textures/pano.webm">
+			<source src="textures/pano.mp4">
 		</video>
 
 		<script>

examples/webvr_video.html

@@ -35,8 +35,8 @@
 		<script src="js/vr/WebVR.js"></script>
 
 		<video id="video" loop muted crossOrigin="anonymous" webkit-playsinline style="display:none">
-			<source src="textures/MaryOculus.webm" type='video/ogg; codecs="theora, vorbis"'>
-			<source src="textures/MaryOculus.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'>
+			<source src="textures/MaryOculus.webm">
+			<source src="textures/MaryOculus.mp4">
 		</video>
 
 		<script>