Deprecate Entity, EntityCollection and use subspec in network modules (#33575)

* Deprecate Entity, EntityCollection and use subspec in network modules

*  As per proposal https://github.com/ansible/proposals/issues/76
   deprecate use of Entity, EntityCollection, ComplexDict, ComplexList
   and use subspec instead.
*  Refactor ios modules
*  Refactor eos modules
*  Refactor vyos modules
*  Refactor nxos modules
*  Refactor iosxr modules
*  Add support for key in suboptions handling

* Fix CI issues

lib/ansible/modules/network/ios/ios_command.py

@@ -134,9 +134,8 @@ failed_conditions:
 import time
 
 from ansible.module_utils.network.ios.ios import run_commands
-from ansible.module_utils.network.ios.ios import ios_argument_spec, check_args
+from ansible.module_utils.network.ios.ios import ios_argument_spec
 from ansible.module_utils.basic import AnsibleModule
-from ansible.module_utils.network.common.utils import ComplexList
 from ansible.module_utils.network.common.parsing import Conditional
 from ansible.module_utils.six import string_types
 
@@ -149,13 +148,8 @@ def to_lines(stdout):
 
 
 def parse_commands(module, warnings):
-    command = ComplexList(dict(
-        command=dict(key=True),
-        prompt=dict(),
-        answer=dict()
-    ), module)
-    commands = command(module.params['commands'])
-    for item in list(commands):
+    commands = module.params['commands']
+    for item in commands:
         if module.check_mode and not item['command'].startswith('show'):
             warnings.append(
                 'only show commands are supported when using check mode, not '
@@ -173,8 +167,14 @@ def parse_commands(module, warnings):
 def main():
     """main entry point for module execution
     """
+    command_spec = dict(
+        command=dict(key=True),
+        prompt=dict(),
+        answer=dict()
+    )
+
     argument_spec = dict(
-        commands=dict(type='list', required=True),
+        commands=dict(type='list', elements='dict', options=command_spec, required=True),
 
         wait_for=dict(type='list', aliases=['waitfor']),
         match=dict(default='all', choices=['all', 'any']),
@@ -191,7 +191,6 @@ def main():
     result = {'changed': False}
 
     warnings = list()
-    check_args(module, warnings)
     commands = parse_commands(module, warnings)
     result['warnings'] = warnings