Merge pull request #47625 from carlory/HPAContainerMetrics

mark feature-gate HPAContainerMetrics as removed

Author: k8s-ci-robot

content/en/docs/reference/command-line-tools-reference/feature-gates/hpa-container-metrics.md

@@ -17,6 +17,9 @@ stages:
   - stage: stable
     defaultValue: true
     fromVersion: "1.30"
+    toVersion: "1.31"
+
+removed: true
 ---
 Allow {{< glossary_tooltip text="HorizontalPodAutoscalers" term_id="horizontal-pod-autoscaler" >}}
 to scale based on metrics from individual containers within target pods.