[SEBA-997] Remove tosca_key in fabric field of Switch model

Change-Id: I053f7666db7dcbc998ff05b5b47f53f069cde43f
diff --git a/VERSION b/VERSION
index b502146..75a22a2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.0.2
+3.0.3
diff --git a/xos/synchronizer/models/fabric.xproto b/xos/synchronizer/models/fabric.xproto
index 53ca376..d4400f8 100644
--- a/xos/synchronizer/models/fabric.xproto
+++ b/xos/synchronizer/models/fabric.xproto
@@ -45,8 +45,7 @@
         max_length = 1024];
     optional manytoone fabric->FabricService:switch = 10:1013 [
         help_text = "The Fabric Service which owns this switch",
-        db_index = True,
-	tosca_key=True];
+        db_index = True];
 }
 
 message SwitchPort(XOSBase) {