tree a390242e70d5c7b146cad63f52cc5f99dce62e19
parent 29bcfd9c494af8995546ac249350e049480ccfb5
author Ken'ichi Ohmichi <ken-oomichi@wx.jp.nec.com> 1493832538 -0700
committer Ken'ichi Ohmichi <ken-oomichi@wx.jp.nec.com> 1493832538 -0700

Remove unused _delete_router()

Since I95dafb51236b16474ec2d349334bb4339b0120ba the method has not
been used at all. Let's remove the method.

Change-Id: I945f5a1060b94a1d4f82fca3db629866076efa53