update.

Author: cloudwebrtc

docs/tutorial-basics/_category_.json

@@ -167,9 +167,5 @@
   },
   "Make WebRTC/VoIP development easier.": {
     "message": "让WebRTC/VoIP 应用开发更容易."
-  },
-  "Hello": {
-    "message": "Hello",
-    "description": "The homepage input placeholder"
   }
 }

docs/tutorial-basics/congratulations.md

@@ -10,9 +10,5 @@
   "sidebar.tutorialSidebar.category.Dart SIP UA - API": {
     "message": "Dart SIP UA - API",
     "description": "The label for category Dart SIP UA - API in sidebar tutorialSidebar"
-  },
-  "sidebar.tutorialSidebar.category.Tutorial - Basics": {
-    "message": "教程 - 基础篇",
-    "description": "The label for category Tutorial - Basics in sidebar tutorialSidebar"
   }
 }