fix: removes flaky intent equivalence assertion (#688)

Because of how intents work in Dialogflow, asserting that the actual name of a resource matches the name of a newly created resource will not always be deterministic, especially if duplicate intents are added. This PR removes the offending assertion.

Fixes #623  ☕️

google-cloud-dialogflow/src/test/java/com/google/cloud/dialogflow/v2/it/ITSystemTest.java

@@ -282,7 +282,6 @@ public void detectIntentTest() {
     assertEquals(EVENT_NAME, result.getQueryText());
     assertEquals(ACTION_NAME, result.getAction());
     assertEquals(DEFAULT_LANGUAGE_CODE, result.getLanguageCode());
-    assertEquals(intent.getName(), result.getIntent().getName());
     assertEquals(intent.getDisplayName(), result.getIntent().getDisplayName());
   }