fix the heading sizer

site/content/en/docs/Reference/Drivers/includes/check_container.inc

@@ -1,9 +0,0 @@
-To use container drivers, verify that your system has either have 'docker' or 'podman' installed.
-```shell
-docker version
-```
-or
-
-```shell
-podman version
-```

site/content/en/docs/Start/includes/post_install.inc

@@ -1,4 +1,4 @@
-### Getting to know Kubernetes
+## Getting to know Kubernetes
 
 Once started, you can use any regular Kubernetes command to interact with your minikube cluster. For example, you can see the pod states by running:
 

site/content/en/docs/Start/linux.md

@@ -44,8 +44,6 @@ curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-{{< la
 {{% tabs %}}
 {{% tab "Docker" %}}
 ## Check container support
-{{% readfile file="/docs/Reference/Drivers/includes/check_container.inc" %}}
-
 {{% readfile file="/docs/Reference/Drivers/includes/docker_usage.inc" %}}
 {{% /tab %}}