VOL-1967 move api-server to separate repository

Current with voltha-go acf0adaf2d91ae72b55192cc8a939e0485918d16

Change-Id: I000ea6be0789e20c922bd671562b58a7120892ae
diff --git a/vendor/k8s.io/client-go/pkg/version/.gitattributes b/vendor/k8s.io/client-go/pkg/version/.gitattributes
new file mode 100644
index 0000000..7e349ef
--- /dev/null
+++ b/vendor/k8s.io/client-go/pkg/version/.gitattributes
@@ -0,0 +1 @@
+base.go export-subst