Update 8-knowledge-check.yml

Author: QijieXue

learn-pr/wwl-azure/generate-documentation-using-github-copilot-tools/8-knowledge-check.yml

@@ -12,7 +12,6 @@ metadata:
   ms.topic: unit
   ms.custom:
   - N/A
-  ai_generated_module_assessment: true
 durationInMinutes: 8
 quiz:
   title: "Check your knowledge" 
@@ -104,4 +103,4 @@ quiz:
       explanation: "Correct. GitHub Copilot Chat can generate inline code comments based on natural language prompts or the '/doc' command."
     - content: "By providing real-time chat support with other developers."
       isCorrect: false
-      explanation: "Incorrect. GitHub Copilot Chat doesn't provide real-time chat support with other developers. It generates inline code documentation."
+      explanation: "Incorrect. GitHub Copilot Chat doesn't provide real-time chat support with other developers. It generates inline code documentation."