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/servicemonitor-upf.yaml b/bess-upf/templates/servicemonitor-upf.yaml
new file mode 100644
index 0000000..14c2a3b
--- /dev/null
+++ b/bess-upf/templates/servicemonitor-upf.yaml
@@ -0,0 +1,19 @@
+{{/*
+# Copyright 2020-present Open Networking Foundation
+
+# SPDX-License-Identifier: Apache-2.0
+*/}}
+{{- if .Values.servicemonitor.enabled }}
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: upf
+spec:
+  endpoints:
+  - path: /metrics
+    port: prometheus-exporter
+  selector:
+    matchLabels:
+{{ tuple "upf" . | include "omec-user-plane.metadata_labels" | indent 6 }}
+{{- end }}