Delete unnecessary files and update plugin names

docs/assets/example/control.js

@@ -1,61 +0,0 @@
-var art = new Artplayer({
-    container: '.artplayer-app',
-    url: '/assets/sample/video.mp4',
-    pip: true,
-    screenshot: true,
-    setting: true,
-    loop: true,
-    flip: true,
-    playbackRate: true,
-    aspectRatio: true,
-    fullscreen: true,
-    fullscreenWeb: true,
-    subtitleOffset: true,
-    miniProgressBar: true,
-    airplay: true,
-    theme: '#23ade5',
-    thumbnails: {
-        url: '/assets/sample/thumbnails.png',
-        number: 60,
-        column: 10,
-    },
-    subtitle: {
-        url: '/assets/sample/subtitle.srt',
-        type: 'srt',
-        style: {
-            color: '#fe9200',
-            fontSize: '20px',
-        },
-        encoding: 'utf-8',
-    },
-    highlight: [
-        {
-            time: 15,
-            text: 'One more chance',
-        },
-        {
-            time: 30,
-            text: '谁でもいいはずなのに',
-        },
-        {
-            time: 45,
-            text: '夏の想い出がまわる',
-        },
-        {
-            time: 60,
-            text: 'こんなとこにあるはずもないのに',
-        },
-        {
-            time: 75,
-            text: '终わり',
-        },
-    ],
-    icons: {
-        loading: '<img src="/assets/img/ploading.gif">',
-        state: '<img width="150" heigth="150" src="/assets/img/state.svg">',
-        indicator: '<img width="16" heigth="16" src="/assets/img/indicator.svg">',
-    },
-    plugins: [
-        artplayerPluginControl()
-    ],
-});