Remove some unused translations

assets/translations/zh.json

@@ -111,8 +111,6 @@
     "dark": "深色",
     "light": "浅色",
     "followSystem": "跟随系统",
-    "obtainium": "Obtainium",
-    "materialYou": "Material You",
     "useBlackTheme": "使用纯黑深色主题",
     "appSortBy": "排序依据",
     "authorName": "作者 / 应用名称",
@@ -176,7 +174,6 @@
     "appWithIdOrNameNotFound": "未找到符合此 ID 或名称的应用",
     "reposHaveMultipleApps": "存储库中可能包含多个应用",
     "fdroidThirdPartyRepo": "F-Droid 第三方存储库",
-    "steam": "Steam",
     "steamMobile": "Steam Mobile",
     "steamChat": "Steam Chat",
     "install": "安装",
@@ -286,7 +283,6 @@
     "parallelDownloads": "启用并行下载",
     "installMethod": "安装方式",
     "normal": "常规",
-    "shizuku": "Shizuku",
     "root": "Root",
     "shizukuBinderNotFound": "未发现兼容的 Shizuku 服务",
     "useSystemFont": "使用系统字体",