fix passing percent

Signed-off-by: Aabid Sofi <[email protected]>

Author: aabidsofi19

content/learning-paths/98e16360-a366-4b78-8e0a-031da07fdacb/end-to-end-kubernetes/cka-prep/cka/content/quiz.md

@@ -1,8 +1,7 @@
 ---
 title: "Introduction to Kubernetes"
 id: "quiz-101-k8s"
-total_marks: 20
-passing_marks: 14
+passing_percentage: 70
 questions:
   - id: "q1"
     text: "What command is used to view the status of pods in a Kubernetes cluster?"