Remove nova state

This one shouldn't have every really been used.  It is replaced by just
using regular cloud states now.

salt/states/nova.py

@@ -1,127 +0,0 @@
-# -*- coding: utf-8 -*-
-'''
-States to manage OpenStack Nova
-===============================
-
-.. versionadded:: Helium
-
-Use this minion to do things with nova:
-
-.. code-block:: yaml
-
-    myblock:
-      nova.volume_exists:
-        - size: 100
-'''
-
-# Import salt cloud utils for check
-import salt.utils.cloud as suc
-
-
-def __virtual__():
-    '''
-    Only load if the nova module is available in __salt__
-    '''
-    return 'nova' if 'nova.server_list' in __salt__ else False
-
-
-def _check_name(name):
-    ret = {'name': name,
-           'changes': {},
-           'result': None,
-           'comment': ''}
-    if suc.check_name(name, 'a-zA-Z0-9._-'):
-        ret['comment'] = 'Invalid characters in name.'
-        ret['result'] = False
-        return ret
-    else:
-        ret['result'] = True
-        return ret
-
-
-def volume_exists(name, profile=None, **kwargs):
-    '''
-    Check that a block volume exists.
-    '''
-    ret = _check_name(name)
-    if not ret['result']:
-        return ret
-
-    volume = __salt__['nova.volume_show'](name=name, profile=profile)
-
-    if volume:
-        ret['comment'] = 'Volume exists: {0}'.format(name)
-        ret['result'] = True
-        return ret
-    elif __opts__['test']:
-        ret['comment'] = 'Volume {0} will be created.'.format(name)
-        ret['result'] = None
-        return ret
-
-    response = __salt__['nova.volume_create'](
-        name=name,
-        profile=profile,
-        **kwargs
-    )
-    if response:
-        ret['result'] = True
-        ret['comment'] = 'Volume {0} was created'.format(name)
-        ret['changes'] = {'old': None, 'new': response}
-    else:
-        ret['result'] = False
-        ret['comment'] = 'Volume {0} failed to create.'.format(name)
-    return ret
-
-
-def volume_attached(name, server_name, profile=None, **kwargs):
-    '''
-    Check if a block volume is attached.
-    '''
-    ret = _check_name(name)
-    if not ret['result']:
-        return ret
-
-    ret = _check_name(server_name)
-    if not ret['result']:
-        return ret
-
-    volume = __salt__['nova.volume_show'](
-        name=name,
-        profile=profile
-    )
-    server = __salt__['nova.server_by_name'](server_name, profile=profile)
-
-    if volume and volume['attachments']:
-        ret['comment'] = ('Volume {name} is already'
-                          'attached: {attachments}').format(**volume)
-        ret['result'] = True
-        return ret
-    elif __opts__['test']:
-        ret['comment'] = 'Volume {0} will be will be attached.'.format(
-            name
-        )
-        ret['result'] = None
-        return ret
-    elif not volume:
-        ret['comment'] = 'Volume {0} does not exist'.format(name)
-        ret['result'] = False
-        return ret
-    elif not server:
-        ret['comment'] = 'Server {0} does not exist'.format(server_name)
-        ret['result'] = False
-        return ret
-
-    response = __salt__['nova.volume_attach'](
-        name,
-        server_name,
-        profile=profile,
-        **kwargs
-    )
-    if response:
-        ret['result'] = True
-        ret['comment'] = 'Volume {0} was created'.format(name)
-        ret['changes'] = {'old': volume, 'new': response}
-    else:
-        ret['result'] = False
-        ret['comment'] = 'Volume {0} failed to attach.'.format(name)
-    return ret