fixs command dict to be sent to connection socket (#21713)

There as an invalid key in the command dict that would cause failure
using prompts.  This changes the key from response to answer which is
what is expected by network_cli

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

@@ -111,9 +111,7 @@ updates:
 from ansible.module_utils.ios import load_config, get_config
 from ansible.module_utils.ios import ios_argument_spec, check_args
 from ansible.module_utils.basic import AnsibleModule
-from ansible.module_utils.network_common import ComplexList
 from ansible.module_utils.netcli import Conditional
-from ansible.module_utils.six import string_types
 from ansible.module_utils.netcfg import NetworkConfig, dumps
 
 def get_current_config(module):

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

@@ -148,7 +148,7 @@ def parse_commands(module, warnings):
     command = ComplexList(dict(
         command=dict(key=True),
         prompt=dict(),
-        response=dict()
+        answer=dict()
     ), module)
     commands = command(module.params['commands'])
     for index, item in enumerate(commands):

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

@@ -209,9 +209,7 @@ from ansible.module_utils.ios import run_commands, get_config, load_config
 from ansible.module_utils.ios import ios_argument_spec
 from ansible.module_utils.ios import check_args as ios_check_args
 from ansible.module_utils.basic import AnsibleModule
-from ansible.module_utils.network_common import ComplexList
 from ansible.module_utils.netcli import Conditional
-from ansible.module_utils.six import string_types
 from ansible.module_utils.netcfg import NetworkConfig, dumps
 from ansible.module_utils.six import iteritems