Ignore pause from kubeadm config images list (#6689)

roles/download/tasks/prep_kubeadm_images.yml

@@ -31,7 +31,7 @@
     state: file
 
 - name: prep_kubeadm_images | Generate list of required images
-  shell: "set -o pipefail && {{ bin_dir }}/kubeadm config images list --config={{ kube_config_dir }}/kubeadm-images.yaml | grep -v coredns"
+  shell: "set -o pipefail && {{ bin_dir }}/kubeadm config images list --config={{ kube_config_dir }}/kubeadm-images.yaml | grep -Ev 'coredns|pause'"
   args:
     executable: /bin/bash
   register: kubeadm_images_raw