feat: update legal document translations and remove obsolete files

- Added translations for legal documents related to consumer rights, battery disposal, and data protection across multiple languages.
- Removed outdated legal-agb.js and legal-datenschutz.js files to streamline the localization structure.
- Improved existing translations for clarity and consistency in legal terminology.

src/i18n/locales/zh/product.js

@@ -1,5 +1,6 @@
 export default {
   "loading": "正在加载产品...",
+  "loadingDescription": "正在加载产品描述...",
   "notFound": "未找到产品",
   "notFoundDescription": "您查找的产品不存在或已被移除。",
   "backToHome": "返回首页",
@@ -21,7 +22,7 @@ export default {
   "weight": "重量：{{weight}} 公斤",
   "youSave": "您节省了：{{amount}}",
   "cheaperThanIndividual": "比单独购买更便宜",
-  "pickupPrice": "自提价：每个插枝19.90欧元。",
+  "pickupPrice": "自提价：每个插枝 €19.90。",
   "consistsOf": "包含：",
   "loadingComponentDetails": "{{index}}. 正在加载组件详情...",
   "individualPriceTotal": "单件总价：",
@@ -31,17 +32,17 @@ export default {
     "noProducts": "0 件产品",
     "oneProduct": "1 件产品",
     "multipleProducts": "{{count}} 件产品",
-    "filteredProducts": "{{filtered}} / {{total}} 件产品",
-    "filteredOneProduct": "{{filtered}} / 1 件产品",
-    "xOfYProducts": "{{x}} / {{y}} 件产品"
+    "filteredProducts": "{{filtered}} / 共 {{total}} 件产品",
+    "filteredOneProduct": "{{filtered}} / 共 1 件产品",
+    "xOfYProducts": "{{x}} / 共 {{y}} 件产品"
   },
   "removeFiltersToSee": "移除筛选条件以查看产品",
   "outOfStock": "缺货",
-  "fromXProducts": "从 {{count}} 件产品开始",
+  "fromXProducts": "从 {{count}} 件产品起",
   "discount": {
-    "from3Products": "从3件产品开始",
-    "from5Products": "从5件产品开始",
-    "from7Products": "从7件产品开始",
+    "from3Products": "从 3 件产品起",
+    "from5Products": "从 5 件产品起",
+    "from7Products": "从 7 件产品起",
     "moreProductsMoreSavings": "选择的产品越多，节省越多！"
   }
 };