Update helm docs (#6236)

Co-authored-by: Venktesh Shivam Patel <[email protected]>

Author: nginx-bot

Diff for: .github/scripts/release-version-update.sh

@@ -17,15 +17,13 @@ FILES_TO_UPDATE_IC_VERSION=(
     "${DEPLOYMENT_PATH}/deployment/nginx-ingress.yaml"
     "${DEPLOYMENT_PATH}/deployment/nginx-plus-ingress.yaml"
     "${HELM_CHART_PATH}/Chart.yaml"
-    "${HELM_CHART_PATH}/README.md"
     "${HELM_CHART_PATH}/values-icp.yaml"
     "${HELM_CHART_PATH}/values-nsm.yaml"
     "${HELM_CHART_PATH}/values-plus.yaml"
     "${HELM_CHART_PATH}/values.yaml"
 )
 FILE_TO_UPDATE_HELM_CHART_VERSION=(
     "${HELM_CHART_PATH}/Chart.yaml"
-    "${HELM_CHART_PATH}/README.md"
 )
 
  usage() {