Fix flake8 errors for checkpoint modules (#67827)

We caught these in our checkpoint.checkpoint collection testing.

Signed-off-by: Paul Belanger <pabelanger@redhat.com>

lib/ansible/modules/network/check_point/checkpoint_access_layer_facts.py

@@ -61,8 +61,6 @@ ansible_facts:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.connection import Connection
-from ansible.module_utils.six.moves.urllib.error import HTTPError
-import json
 
 
 def get_access_layer(module, connection):

lib/ansible/modules/network/check_point/checkpoint_access_rule_facts.py

@@ -68,8 +68,6 @@ ansible_facts:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.connection import Connection
-from ansible.module_utils.six.moves.urllib.error import HTTPError
-import json
 
 
 def get_access_rule(module, connection):

lib/ansible/modules/network/check_point/checkpoint_host.py

@@ -95,7 +95,6 @@ checkpoint_hosts:
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.connection import Connection
 from ansible.module_utils.network.checkpoint.checkpoint import checkpoint_argument_spec, publish, install_policy
-import json
 
 
 def get_host(module, connection):
@@ -159,7 +158,6 @@ def main():
     )
     argument_spec.update(checkpoint_argument_spec)
 
-    required_if = [('state', 'present', 'ip_address')]
     module = AnsibleModule(argument_spec=argument_spec)
     connection = Connection(module._socket_path)
     code, response = get_host(module, connection)

lib/ansible/modules/network/check_point/checkpoint_host_facts.py

@@ -62,8 +62,6 @@ ansible_hosts:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.connection import Connection
-from ansible.module_utils.six.moves.urllib.error import HTTPError
-import json
 
 
 def get_host(module, connection):

lib/ansible/modules/network/check_point/checkpoint_object_facts.py

@@ -73,8 +73,6 @@ ansible_hosts:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.connection import Connection
-from ansible.module_utils.six.moves.urllib.error import HTTPError
-import json
 
 
 def get_object(module, connection):

lib/ansible/modules/network/check_point/checkpoint_run_script.py

@@ -71,8 +71,6 @@ checkpoint_run_script:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.connection import Connection
-from ansible.module_utils.network.checkpoint.checkpoint import publish, install_policy
-import json
 
 
 def run_script(module, connection):

lib/ansible/modules/network/check_point/checkpoint_session.py

@@ -70,8 +70,6 @@ checkpoint_session:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.connection import Connection
-from ansible.module_utils.network.checkpoint.checkpoint import publish, discard
-import json
 
 
 def get_session(module, connection):

lib/ansible/modules/network/check_point/checkpoint_task_facts.py

@@ -58,8 +58,6 @@ ansible_facts:
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.connection import Connection
-from ansible.module_utils.six.moves.urllib.error import HTTPError
-import json
 
 
 def get_task(module, connection):

lib/ansible/modules/network/check_point/cp_mgmt_access_rule.py

@@ -277,7 +277,6 @@ cp_mgmt_access_rule:
 """
 
 from ansible.module_utils.basic import AnsibleModule
-from ansible.module_utils.connection import Connection
 from ansible.module_utils.network.checkpoint.checkpoint import checkpoint_argument_spec_for_objects, api_call, api_call_for_rule