Fix wildcard imports, remove get_exception, add boilerplate

Amazon modules that don't have open PRs against them

lib/ansible/modules/cloud/amazon/ec2_vpc_dhcp_options.py

@@ -1,17 +1,10 @@
 #!/usr/bin/python
+# Copyright: Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
 
-# Ansible is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# Ansible is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 
 ANSIBLE_METADATA = {'metadata_version': '1.0',
                     'status': ['stableinterface'],
@@ -208,12 +201,10 @@ EXAMPLES = """
 """
 
 import collections
-import socket
 import traceback
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.ec2 import HAS_BOTO, connect_to_aws, ec2_argument_spec, get_aws_connection_info
-from ansible.module_utils._text import to_native
 
 if HAS_BOTO:
     import boto.vpc