IOS-XR NetConf and Cliconf plugin work (#33332)

*  - Netconf plugin addition for iosxr
 - Utilities refactoring to support netconf and cliconf
 - iosx_banner refactoring for netconf and cliconf
 - Integration testcases changes to accomodate above changes

* Fix sanity failures, shippable errors and review comments

* fix pep8 issue

* changes run_command method to send specific command args

* - Review comment fixes
- iosxr_command changes to remove ComplexDict based command_spec

* - Move namespaces removal method from utils to netconf plugin

* Minor refactoring in utils and change in deprecation message

* rewrite build_xml logic and import changes for new utils dir structure

* - Review comment changes and minor changes to documentation

* * refactor common code and docs updates

lib/ansible/modules/network/iosxr/iosxr_config.py

@@ -180,9 +180,8 @@ backup_path:
   sample: /playbooks/ansible/backup/iosxr01.2016-07-16@22:28:34
 """
 from ansible.module_utils.basic import AnsibleModule
-from ansible.module_utils.network.iosxr.iosxr import load_config,get_config
+from ansible.module_utils.network.iosxr.iosxr import load_config, get_config
 from ansible.module_utils.network.iosxr.iosxr import iosxr_argument_spec
-from ansible.module_utils.network.iosxr.iosxr import check_args as iosxr_check_args
 from ansible.module_utils.network.common.config import NetworkConfig, dumps
 
 
@@ -190,7 +189,6 @@ DEFAULT_COMMIT_COMMENT = 'configured by iosxr_config'
 
 
 def check_args(module, warnings):
-    iosxr_check_args(module, warnings)
     if module.params['comment']:
         if len(module.params['comment']) > 60:
             module.fail_json(msg='comment argument cannot be more than 60 characters')
@@ -216,6 +214,7 @@ def get_candidate(module):
         candidate.add(module.params['lines'], parents=parents)
     return candidate
 
+
 def run(module, result):
     match = module.params['match']
     replace = module.params['replace']
@@ -231,7 +230,7 @@ def run(module, result):
         contents = get_running_config(module)
         configobj = NetworkConfig(contents=contents, indent=1)
         commands = candidate.difference(configobj, path=path, match=match,
-                                          replace=replace)
+                                        replace=replace)
     else:
         commands = candidate.items
 
@@ -253,6 +252,7 @@ def run(module, result):
             result['diff'] = dict(prepared=diff)
             result['changed'] = True
 
+
 def main():
     """main entry point for module execution
     """