Minor change in nbi.py to remove unmet condition for the topic

Change-Id: I4eaa096e1cafa7ab3e89f18434b628746d425a3b
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/osm_nbi/nbi.py b/osm_nbi/nbi.py
index e67588c..2cddabb 100644
--- a/osm_nbi/nbi.py
+++ b/osm_nbi/nbi.py
@@ -1744,14 +1744,8 @@
                     engine_topic = "resources"
                 elif topic == "app_profiles":
                     engine_topic = "apps"
-                if topic == "clusters" and item == "nodegroup":
+                elif topic == "clusters" and item == "nodegroup":
                     engine_topic = "node_groups"
-            elif main_topic == "k8scluster" and item in (
-                "upgrade",
-                "get_creds",
-                "scale",
-            ):
-                engine_topic = "cluster"
             elif main_topic == "ksu" and engine_topic in ("ksus", "clone", "move"):
                 engine_topic = "ksus"
             if (