TT#122026 Update test for Customer Self-care

There were an simplifications in templates.git
commit 0141070a5077b8e5a07c2246d3fa2410584b13e2
which allows to use both v1 and v2 in parallel.

The proper URL for customer interface is now simple:
https://x.x.x.x (on default port and no extra URL location).

Change-Id: I5b9be3d25a874a970809bb94faa28788cd59e2ec

templates/900_service-ngcp-api.yaml.tt2

@@ -85,14 +85,14 @@ command:
     timeout: 30000
 
 
-  "curl --insecure -L http://[% web_ext_ips.0 %]:443/login/subscriber":
+  "curl --insecure -L http://[% web_ext_ips.0 %]/":
     exit-status: 0
     stdout:
       - <title>Customer Self-Care Web Interface</title>
     stderr: []
     timeout: 30000
 
-  "curl --insecure -L https://[% web_ext_ips.0 %]:443/login/subscriber":
+  "curl --insecure -L https://[% web_ext_ips.0 %]/":
     exit-status: 0
     stdout:
       - <title>Customer Self-Care Web Interface</title>