Remove unused imports from /bin and lib/ansible/cli (#43440)

* Remove unused imports from lib/ansible/cli

* Remove unused imports from bin/

bin/ansible-connection

@@ -23,7 +23,7 @@ import json
 from contextlib import contextmanager
 
 from ansible import constants as C
-from ansible.module_utils._text import to_bytes, to_native, to_text
+from ansible.module_utils._text import to_bytes, to_text
 from ansible.module_utils.six import PY3
 from ansible.module_utils.six.moves import cPickle, StringIO
 from ansible.module_utils.connection import Connection, ConnectionError, send_data, recv_data

lib/ansible/cli/adhoc.py

@@ -20,8 +20,6 @@ __metaclass__ = type
 
 ########################################################
 
-import os
-
 from ansible import constants as C
 from ansible.cli import CLI
 from ansible.errors import AnsibleError, AnsibleOptionsError

lib/ansible/cli/config.py

@@ -13,7 +13,7 @@ import yaml
 from ansible.cli import CLI
 from ansible.config.manager import ConfigManager, Setting, find_ini_config_file
 from ansible.errors import AnsibleError, AnsibleOptionsError
-from ansible.module_utils._text import to_native, to_text, to_bytes
+from ansible.module_utils._text import to_native, to_text
 from ansible.parsing.yaml.dumper import AnsibleDumper
 from ansible.utils.color import stringc
 from ansible.utils.path import unfrackpath