Remove extra character

Co-authored-by: Dipesh Rawat 

Author: steve-hardman

content/en/docs/tasks/administer-cluster/kubeadm/change-package-repository.md

@@ -189,7 +189,7 @@ version.
    ```
    [kubernetes]
    name=Kubernetes
-   baseurl=https://pkgs.k8s.io/core:/stable:/v{{< param "version" >}}/rpm/
+   baseurl=https://pkgs.k8s.io/core:/stable:/{{< param "version" >}}/rpm/
    enabled=1
    gpgcheck=1
    gpgkey=https://pkgs.k8s.io/core:/stable:/{{< param "version" >}}/rpm/repodata/repomd.xml.key