Issue 22

[mfortin]

Overall Review of Changes:
Fixing issue #22 about deprecated usage for warn: false in command/shell

Issue Fixes:
Issue #22

Enhancements:
Using FQCN for modules.

How has this been tested?:
Executed the role pulled from this branch.
Ran ansible-lint.

Before:

TASK [AMAZON2-CIS : 1.2.2 | AUDIT | Ensure package manager repositories are configured | Get repo list] ***
fatal: [10.0.0.2]: FAILED! => changed=false
  msg: 'Unsupported parameters for (ansible.legacy.command) module: warn. Supported parameters include: _raw_params, _uses_shell, argv, chdir, creates, executable, expand_argument_vars, removes, stdin, stdin_add_newline, strip_empty_ends.'

Now:

TASK [AMAZON2-CIS : 1.2.2 | AUDIT | Ensure package manager repositories are configured | Get repo list] ***
ok: [10.0.0.3]

[mfortin]

This is no longer required as Ansible support for recent version was addressed in #24