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/iosxr/iosxr_command.py

@@ -127,8 +127,8 @@ import time
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.network.iosxr.iosxr import run_command, iosxr_argument_spec
-from ansible.module_utils.network.iosxr.iosxr import command_spec
 from ansible.module_utils.network.common.parsing import Conditional
+from ansible.module_utils.network.common.utils import to_list
 from ansible.module_utils.six import string_types
 from ansible.module_utils._text import to_native
 
@@ -142,11 +142,8 @@ def to_lines(stdout):
 
 def parse_commands(module, warnings):
     commands = module.params['commands']
-    for item in list(commands):
-        try:
-            command = item['command']
-        except Exception:
-            command = item
+    for item in to_list(commands):
+        command = item['command']
         if module.check_mode and not command.startswith('show'):
             warnings.append(
                 'only show commands are supported when using check mode, not '
@@ -163,8 +160,14 @@ def parse_commands(module, warnings):
 
 
 def main():
+    command_spec = dict(
+        command=dict(key=True),
+        prompt=dict(),
+        answer=dict()
+    )
+
     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']),
@@ -175,13 +178,10 @@ def main():
 
     spec.update(iosxr_argument_spec)
 
-    spec.update(command_spec)
-
     module = AnsibleModule(argument_spec=spec,
                            supports_check_mode=True)
 
     warnings = list()
-
     commands = parse_commands(module, warnings)
 
     wait_for = module.params['wait_for'] or list()