SDFAB-998 Move omec-user-plane from aether-helm-chart to sdfabric-helm-chart

It is renamed to bess-upf.
The license is also updated to Apache 2.0.
We also remove omec-upf-cni which is no longer in use.

Change-Id: Ie9ce877c13203a76bf90d24918734ded33587157
diff --git a/bess-upf/templates/configmap-upf.yaml b/bess-upf/templates/configmap-upf.yaml
new file mode 100644
index 0000000..ff97c1c
--- /dev/null
+++ b/bess-upf/templates/configmap-upf.yaml
@@ -0,0 +1,19 @@
+{{/*
+# Copyright 2020-present Open Networking Foundation
+
+# SPDX-License-Identifier: Apache-2.0
+*/}}
+
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: upf
+  labels:
+{{ tuple "upf" . | include "omec-user-plane.metadata_labels" | indent 4 }}
+data:
+{{- range $key, $value := .Values.config.upf.cfgFiles }}
+  {{ $key }}: {{ toJson $value | quote }}
+{{- end }}
+  bessd-poststart.sh: |
+{{ tuple "bin/_bessd-poststart.sh.tpl" . | include "omec-user-plane.template" | indent 4 }}