Remove unnecessary i18n module declarations and simplify type definitions

packages/artplayer/package.json

@@ -25,10 +25,6 @@
     "./i18n/*": {
       "import": "./dist/i18n/*.mjs",
       "require": "./dist/i18n/*.js"
-    },
-    "./dist/i18n/*": {
-      "import": "./dist/i18n/*.mjs",
-      "require": "./dist/i18n/*.js"
     }
   },
   "main": "./dist/artplayer.js",

packages/artplayer/types/artplayer.d.ts

@@ -195,8 +195,3 @@ declare module 'artplayer/i18n/*' {
   const lang: Partial<I18n>
   export default lang
 }
-
-declare module 'artplayer/dist/i18n/*' {
-  const lang: Partial<I18n>
-  export default lang
-}