Delete unused files

docs/assets/ts/artplayer-plugin-libass.d.ts

@@ -0,0 +1,17 @@
+import type Artplayer from 'artplayer';
+import type SubtitlesOctopus from "@hrgui/libass-wasm-ts"
+import { type Options } from "libass-wasm"
+
+export = artplayerPluginAss
+export as namespace artplayerPluginAss
+
+declare const artplayerPluginAss: (options: Options) => (art: Artplayer) => {
+    name: 'artplayerPluginLibass';
+    libass: SubtitlesOctopus;
+    visible: boolean;
+    init: () => void;
+    switch: (url: string) => void;
+    show: () => void;
+    hide: () => void;
+    destroy: () => void;
+};