VOL-2112 move to voltha-lib-go

Change-Id: I3435b8acb982deeab6b6ac28e798d7722ad01d0a
diff --git a/vendor/github.com/hashicorp/go-rootcerts/go.mod b/vendor/github.com/hashicorp/go-rootcerts/go.mod
index 3c0e0e6..e2dd024 100644
--- a/vendor/github.com/hashicorp/go-rootcerts/go.mod
+++ b/vendor/github.com/hashicorp/go-rootcerts/go.mod
@@ -1,3 +1,5 @@
 module github.com/hashicorp/go-rootcerts
 
-require github.com/mitchellh/go-homedir v1.0.0
+go 1.12
+
+require github.com/mitchellh/go-homedir v1.1.0