remove vnfadapterrest flow and interface

remove vnfadapterrest flow and interface

Removed unused soap vnf adapter apis and implements
Removed unused apis and implements from vnf adapter
Updates and removed dead code that is never used
Add back override method to the healthcheck in vnf imp
Removed the vnfadapter rest v2 interface and test.
Removed references to v2 rest interfaces from CXF config.
Reverted change to the cxf configuration file.
Removed more unused code and updated unit test to account for removed
apis and v2 being removed
Updated the att openstack adapter cfx to remove v2 classes
Initial commit of cleaning up the vnf adapter and removing the rest
subflow.

Issue-ID: SO-2812
Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
Change-Id: Ia093a5ac2dffd21d27a1ba74a813198b806d0786