multiple modules: removed unused imports (#5258)

plugins/modules/cloud/misc/proxmox_snap.py

@@ -100,7 +100,6 @@ EXAMPLES = r'''
 RETURN = r'''#'''
 
 import time
-import traceback
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.common.text.converters import to_native

plugins/modules/cloud/opennebula/one_service.py

@@ -243,7 +243,6 @@ roles:
 '''
 
 import os
-import sys
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.urls import open_url
 

plugins/modules/cloud/ovh/ovh_monthly_billing.py

@@ -73,8 +73,6 @@ EXAMPLES = '''
 RETURN = '''
 '''
 
-import os
-import sys
 import traceback
 
 try:

plugins/modules/cloud/xenserver/xenserver_guest_powerstate.py

@@ -171,8 +171,6 @@ instance:
     }
 '''
 
-import re
-
 HAS_XENAPI = False
 try:
     import XenAPI