Remove supportsNativeHls

The video.js tech selection now manages whether the HLS polyfill is used or not, so we don't need to detect HLS support in the project itself.

@@ -507,23 +507,6 @@ videojs.Hls.canPlaySource = function(srcObj) {
   return mpegurlRE.test(srcObj.type) || videojs.Flash.canPlaySource.call(this, srcObj);
 };
 
-videojs.Hls.supportsNativeHls = (function() {
-  var
-    video = document.createElement('video'),
-    xMpegUrl,
-    vndMpeg;
-
-  // native HLS is definitely not supported if HTML5 video isn't
-  if (!videojs.Html5.isSupported()) {
-    return false;
-  }
-
-  xMpegUrl = video.canPlayType('application/x-mpegURL');
-  vndMpeg = video.canPlayType('application/vnd.apple.mpegURL');
-  return (/probably|maybe/).test(xMpegUrl) ||
-    (/probably|maybe/).test(vndMpeg);
-})();
-
 /**
  * Creates and sends an XMLHttpRequest.
  * @param options {string | object} if this argument is a string, it

@@ -947,17 +947,6 @@ test('segment 500 should trigger MEDIA_ERR_ABORTED', function () {
   equal(4, player.hls.error.code, 'Player error code should be set to MediaError.MEDIA_ERR_ABORTED');
 });
 
-test('has no effect if native HLS is available', function() {
-  videojs.Hls.supportsNativeHls = true;
-  player.src({
-    src: 'http://example.com/manifest/master.m3u8',
-    type: 'application/vnd.apple.mpegurl'
-  });
-
-  ok(!(player.currentSrc() in videojs.mediaSources),
-     'no media source was opened');
-});
-
 test('duration is Infinity for live playlists', function() {
   player.src({
     src: 'http://example.com/manifest/missingEndlist.m3u8',