containerd: download containerd from upstream instead of using distro specific packages (#7970)

* Containerd: download containerd from upstream instead of using distro specific packages

split runc download to separate role
make bootstrap-os role deploy container-selinux and seccomp libraries
clean up package manager provided containerd
move variables to docker role that are no longer common with containerd

* Containerd: make molecule testing more relevant

* replace ubuntu18 with ubuntu20
* add centos8 and debian11 to molecule tests
* run kubernetes/preinstall role to ensure relevancy
  of test including dependency packages

* CI: adjust test scenarios for downloaded containerd

roles/container-engine/containerd/vars/amazon.yml

@@ -1,5 +0,0 @@
----
-containerd_package_info:
-  enablerepo: "amzn2extra-docker"
-  pkgs:
-    - "{{ containerd_versioned_pkg[containerd_version | string] }}"

roles/container-engine/containerd/vars/debian.yml

@@ -1,13 +1,4 @@
 ---
-containerd_package_info:
-  pkgs:
-    - "{{ containerd_versioned_pkg[containerd_version | string] }}"
-
-containerd_repo_key_info:
-  url: '{{ containerd_debian_repo_gpgkey }}'
-  repo_keys:
-    - '{{ containerd_debian_repo_repokey }}'
-
 containerd_repo_info:
   repos:
     - >

roles/container-engine/containerd/vars/fedora.yml

@@ -1,5 +0,0 @@
----
-containerd_package_info:
-  enablerepo: "docker-ce"
-  pkgs:
-    - "{{ containerd_versioned_pkg[containerd_version | string] }}"

roles/container-engine/containerd/vars/redhat.yml

@@ -1,5 +0,0 @@
----
-containerd_package_info:
-  enablerepo: "docker-ce"
-  pkgs:
-    - "{{ containerd_versioned_pkg[containerd_version | string] }}"

roles/container-engine/containerd/vars/suse.yml

@@ -1,7 +0,0 @@
----
-# docker-ce containerd.io does not contain daemon
-containerd_package: containerd
-
-containerd_package_info:
-  pkgs:
-    - "{{ containerd_package }}"

roles/container-engine/containerd/vars/ubuntu.yml

@@ -1,13 +1,4 @@
 ---
-containerd_package_info:
-  pkgs:
-    - "{{ containerd_versioned_pkg[containerd_version | string] }}"
-
-containerd_repo_key_info:
-  url: '{{ containerd_ubuntu_repo_gpgkey }}'
-  repo_keys:
-    - '{{ containerd_ubuntu_repo_repokey }}'
-
 containerd_repo_info:
   repos:
     - >