integration/targets/ios_* work to support IOS (#20414)

* WIP

* Don't set connection: network_cli in the playbook

* ios_config tests now passing

* Create test loopback device

* delete

* ios_* pass (apart from ios_facts)

* Remove provider lines

test/integration/targets/ios_command/tasks/cli.yaml

@@ -4,6 +4,7 @@
     paths: "{{ role_path }}/tests/cli"
     patterns: "{{ testcase }}.yaml"
   register: test_cases
+  delegate_to: localhost
 
 - name: set test_items
   set_fact: test_items="{{ test_cases.files | map(attribute='path') | list }}"