Feature 11002: Deprecate helmv2

Change-Id: I77fb144d533f58ff927bda9382dbc6cba0f0dbd6
Signed-off-by: Luis Vega <lvega@whitestack.com>
diff --git a/osm_nbi/validation.py b/osm_nbi/validation.py
index 518f1be..4226fd6 100644
--- a/osm_nbi/validation.py
+++ b/osm_nbi/validation.py
@@ -815,7 +815,6 @@
     "title": "Deployment methods for K8s cluster",
     "type": "object",
     "properties": {
-        "helm-chart": {"type": "boolean"},
         "juju-bundle": {"type": "boolean"},
         "helm-chart-v3": {"type": "boolean"},
     },