Don't double-print SetVersion() failure

repo/vcs.go

diff --git a/repo/vcs.go b/repo/vcs.go
index 257340a..50e6bb7 100644
--- a/repo/vcs.go
+++ b/repo/vcs.go
@@ -242,7 +242,6 @@
 			}
 		}
 		if err := repo.UpdateVersion(ver); err != nil {
-			msg.Err("Failed to set version to %s: %s\n", dep.Reference, err)
 			return err
 		}
 		dep.Pin, err = repo.Version()