Move more modules out of curated

pip to core because users frequently use pip to install packages to run
ansible modules.

win_chocolatey to community as it still needs some work before we'd be
ready to include it in core support.

lib/ansible/modules/packaging/language/pip.py

@@ -10,7 +10,7 @@ __metaclass__ = type
 
 ANSIBLE_METADATA = {'metadata_version': '1.0',
                     'status': ['preview'],
-                    'supported_by': 'curated'}
+                    'supported_by': 'core'}
 
 
 DOCUMENTATION = '''

lib/ansible/modules/windows/win_chocolatey.py

@@ -23,7 +23,7 @@
 
 ANSIBLE_METADATA = {'metadata_version': '1.0',
                     'status': ['preview'],
-                    'supported_by': 'curated'}
+                    'supported_by': 'community'}
 
 DOCUMENTATION = r'''
 ---