The following patch adds support for BulkDelete in NeutronClient.
Currently, the core existing Neutron CLIs are going to support
Bulk Deletion in NeutronClient. However, if any extension does not
require Bulk Delete, it can be disabled by updating the
class attribute 'bulk_delete'.
DocImpact
Depends-On: Ib23d1e53947b5dffcff8db0dde77cae0a0b31243
Change-Id: I3b8a05698625baad3906784e3ecffb0f0242d660
Closes-Bug: #1495440