locale: remove outdated plugin

packages/easy-locale/model.ts

@@ -1,10 +0,0 @@
-import yaml from 'js-yaml';
-import i18n from 'hydrooj/src/lib/i18n';
-import * as system from 'hydrooj/src/model/system';
-import * as bus from 'hydrooj/src/service/bus';
-
-bus.once('app/started', () => {
-    const langs = system.get('easy-locale.langs');
-    const entries = yaml.load(langs);
-    i18n(entries as any);
-});

packages/easy-locale/package.json

@@ -1,12 +0,0 @@
-{
-  "name": "@hydrooj/easy-locale",
-  "version": "1.1.0",
-  "main": "package.json",
-  "repository": "https://github.com/hydro-dev/Hydro",
-  "author": "undefined <i@undefined.moe>",
-  "license": "AGPL-3.0-or-later",
-  "dependencies": {
-    "js-yaml": "^4.1.0"
-  },
-  "preferUnplugged": true
-}

packages/easy-locale/setting.yaml

@@ -1,6 +0,0 @@
-langs:
-  type: yaml
-  desc: Custom Translation
-  default:
-    zh:
-      text: 文本