Remove unneccessary imports (#5940)

* Remove unneccessary imports.

* Keep unnecessary imports in module_utils - for now.

* Make older sanity tests shut up.

* Also make flake8 happier.

plugins/lookup/consul_kv.py

@@ -105,7 +105,6 @@ RETURN = """
     type: dict
 """
 
-import os
 from ansible.module_utils.six.moves.urllib.parse import urlparse
 from ansible.errors import AnsibleError, AnsibleAssertionError
 from ansible.plugins.lookup import LookupBase

plugins/lookup/credstash.py

@@ -93,8 +93,6 @@ RETURN = """
     type: str
 """
 
-import os
-
 from ansible.errors import AnsibleError
 from ansible.plugins.lookup import LookupBase
 

plugins/lookup/cyberarkpassword.py

@@ -80,7 +80,6 @@ from subprocess import Popen
 
 from ansible.errors import AnsibleError
 from ansible.plugins.lookup import LookupBase
-from ansible.parsing.splitter import parse_kv
 from ansible.module_utils.common.text.converters import to_bytes, to_text, to_native
 from ansible.utils.display import Display
 

plugins/lookup/etcd3.py

@@ -136,12 +136,11 @@ RETURN = '''
 
 import re
 
-from ansible.plugins.lookup import LookupBase
-from ansible.utils.display import Display
+from ansible.errors import AnsibleLookupError
 from ansible.module_utils.basic import missing_required_lib
 from ansible.module_utils.common.text.converters import to_native
 from ansible.plugins.lookup import LookupBase
-from ansible.errors import AnsibleError, AnsibleLookupError
+from ansible.utils.display import Display
 
 try:
     import etcd3

plugins/lookup/hiera.py

@@ -61,8 +61,6 @@ RETURN = """
         elements: str
 """
 
-import os
-
 from ansible.plugins.lookup import LookupBase
 from ansible.utils.cmd_functions import run_cmd
 from ansible.module_utils.common.text.converters import to_text

plugins/lookup/manifold.py

@@ -69,7 +69,6 @@ from ansible.utils.display import Display
 from traceback import format_exception
 import json
 import sys
-import os
 
 display = Display()
 

plugins/lookup/redis.py

@@ -73,8 +73,6 @@ _raw:
   elements: str
 """
 
-import os
-
 HAVE_REDIS = False
 try:
     import redis