Update zh.json

Author: xuyanshi

src/locales/zh.json

@@ -51,6 +51,6 @@
     "startCourseButton": "开始课程",
     "announcementsTitle": "公告",
     "authorsTitle": "著作权与版权",
-    "courseNameTitle": "全栈公开课 2022"
+    "courseNameTitle": "全栈公开课"
   }
 }