chore: Revised credentials for Assistant v2

Author: mediumTaj

examples/IBM.WatsonDeveloperCloud.Assistant.v2.Example/AssistantServiceExample.cs

@@ -55,7 +55,6 @@ public void CallAssistant(int questionIndex)
             Console.WriteLine(_questionArray[questionIndex]);
             var result = _assistant.Message(_assistantId, _sessionId, messageRequest);
             Console.WriteLine(result.Output.Generic[0].Text);
-            //Console.WriteLine(string.Format("result: {0}", JsonConvert.SerializeObject(result, Formatting.Indented)));
             _questionIndex++;
 
             if (questionIndex < _questionArray.Length - 1)

test/IBM.WatsonDeveloperCloud.Assistant.v2.IntTests/AssistantServiceIntegrationTests.cs

@@ -67,7 +67,7 @@ public void Setup()
                 VcapCredentials vcapCredentials = JsonConvert.DeserializeObject<VcapCredentials>(credentials);
                 var vcapServices = JObject.Parse(credentials);
 
-                Credential credential = vcapCredentials.GetCredentialByname("assistantV2-sdk-staging")[0].Credentials;
+                Credential credential = vcapCredentials.GetCredentialByname("assistant-sdk")[0].Credentials;
                 endpoint = credential.Url;
                 username = credential.Username;
                 password = credential.Password;