Remove image 'host' parameter when delete image.

Image object has added 'host', just uuid is necessary when
delete image.

Change-Id: I64a3504ca47df7141a9339ec90a767daf2ba509a

zunclient/osc/v1/images.py

@@ -166,17 +166,12 @@ class DeleteImage(command.Command):
             'uuid',
             metavar='<uuid>',
             help='UUID of image to describe')
-        parser.add_argument(
-            'host',
-            metavar='<host>',
-            help='Name or UUID of the host')
         return parser
 
     def take_action(self, parsed_args):
         client = _get_client(self, parsed_args)
         opts = {}
         opts['image_id'] = parsed_args.uuid
-        opts['host'] = parsed_args.host
         try:
             client.images.delete(**opts)
             print(_('Request to delete image %s has been accepted.')

zunclient/v1/images.py

@@ -90,12 +90,12 @@ class ImageManager(base.Manager):
                     "Key must be in %s" % ','.join(PULL_ATTRIBUTES))
         return self._create(self._path(), new)
 
-    def delete(self, image_id, **kwargs):
+    def delete(self, image_id):
         """Delete an image
 
         :params image_id: uuid of the image.
         """
-        return self._delete(self._path(image_id), qparams=kwargs)
+        return self._delete(self._path(image_id))
 
     def search_image(self, image, **kwargs):
         """Retrieves list of images based on image name and image_driver name

zunclient/v1/images_shell.py

@@ -73,14 +73,10 @@ def do_image_show(cs, args):
 @utils.arg('id',
            metavar='<uuid>',
            help='UUID of image to delete')
-@utils.arg('host',
-           metavar='<host>',
-           help='Name or UUID of the host')
 def do_image_delete(cs, args):
-    """Delete a specified image from a host."""
+    """Delete a specified image."""
     opts = {}
     opts['image_id'] = args.id
-    opts['host'] = args.host
     cs.images.delete(**opts)