Update TryMCP deployment scripts

* drop global network params, which can be delivired with ISO;
* show OpenStack UI endpoints with creds;
* set error level for scripts;

Change-Id: I86617a03c8027e8b46a43c4093ec781d1359cc32
Related-Prod: PROD-30834
diff --git a/predefine-vm/define-vm.sh b/predefine-vm/define-vm.sh
index 5435607..b7c5198 100755
--- a/predefine-vm/define-vm.sh
+++ b/predefine-vm/define-vm.sh
@@ -1,4 +1,6 @@
-#!/bin/bash -xe
+#!/bin/bash
+
+set -e
 
 functionsFile="$(pwd)/functions.sh"