move Dummy forwarder to main package

enable another plugins except k8s to use dummy artifactFowarder
so that need put these Dummy files into main package

Change-Id: Iaf6ec1c11d4eac155010b7dfbf5736884d1a2929
Issue-ID: MULTICLOUD-576
Signed-off-by: liboNet <libo.zhu@intel.com>
4 files changed