fix: remove HTTP status code display from endpoint speed test

The status code from a simple GET request reflects route matching,
not actual endpoint availability. Users only need latency and
reachability info, which the latency number already conveys.

src/i18n/locales/en.json

@@ -720,8 +720,7 @@
     "pleaseAddEndpoint": "Please add an endpoint first",
     "testUnavailable": "Speed test unavailable",
     "noResult": "No result returned",
-    "testFailed": "Speed test failed: {{error}}",
-    "status": "Status: {{code}}"
+    "testFailed": "Speed test failed: {{error}}"
   },
   "providerAdvanced": {
     "testConfig": "Model Test Config",

src/i18n/locales/ja.json

@@ -720,8 +720,7 @@
     "pleaseAddEndpoint": "まずエンドポイントを追加してください",
     "testUnavailable": "速度テストを実行できません",
     "noResult": "結果がありません",
-    "testFailed": "速度テストに失敗しました: {{error}}",
-    "status": "ステータス: {{code}}"
+    "testFailed": "速度テストに失敗しました: {{error}}"
   },
   "providerAdvanced": {
     "testConfig": "モデルテスト設定",

src/i18n/locales/zh.json

@@ -720,8 +720,7 @@
     "pleaseAddEndpoint": "请先添加端点",
     "testUnavailable": "测速功能不可用",
     "noResult": "未返回结果",
-    "testFailed": "测速失败: {{error}}",
-    "status": "状态码：{{code}}"
+    "testFailed": "测速失败: {{error}}"
   },
   "providerAdvanced": {
     "testConfig": "模型测试配置",