Prevent links from being printed in v2 CLI

Nobody wants to see links in a human interface. This prevents the
file, access, self and schema links from being printed when calling
image-show or explain.

Related to bp glance-client-v2

Change-Id: Ib98e912a7af0bb570b4fd738733edd9b837d1a11

glanceclient/v2/shell.py

@@ -28,6 +28,8 @@ def do_image_list(gc, args):
 def do_image_show(gc, args):
     """Describe a specific image."""
     image = gc.images.get(args.id)
+    ignore = ['self', 'access', 'file', 'schema']
+    image = dict([item for item in image.iteritems() if item[0] not in ignore])
     utils.print_dict(image)