Remove redundant symbols.

Author: findersky

src/App/Resources/admin.json

@@ -591,7 +591,7 @@
       "en-US": "Contact",
       "ru-RU": "Контакт",
       "zh-cn": "联系",
-      "zh-tw": "聯系",
+      "zh-tw": "聯系"
     }
   }
 }