docs(samples): removed assessment name (#623)

* docs(samples): removed assessment name

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: Sita04

recaptcha_enterprise/cloud-client/src/main/java/recaptcha/CreateAssessment.java

@@ -56,17 +56,14 @@ public static void createAssessment(
     // clean up any remaining background resources.
     try (RecaptchaEnterpriseServiceClient client = RecaptchaEnterpriseServiceClient.create()) {
 
-      // Specify a name for this assessment.
-      String assessmentName = "assessment-name";
       // Set the properties of the event to be tracked.
       Event event = Event.newBuilder().setSiteKey(recaptchaSiteKey).setToken(token).build();
 
       // Build the assessment request.
       CreateAssessmentRequest createAssessmentRequest =
           CreateAssessmentRequest.newBuilder()
               .setParent(ProjectName.of(projectID).toString())
-              .setAssessment(
-                  Assessment.newBuilder().setEvent(event).setName(assessmentName).build())
+              .setAssessment(Assessment.newBuilder().setEvent(event).build())
               .build();
 
       Assessment response = client.createAssessment(createAssessmentRequest);