adding createAnonymousCredentials

Author: davidh44

services/s3/src/test/java/software/amazon/awssdk/services/s3/internal/crt/CrtCredentialProviderAdapterTest.java

@@ -102,10 +102,6 @@ public void crtCredentials_anonymousCredentialsProvider_shouldWork() {
 
         Credentials crtCredentials = crtCredentialsProvider.getCredentials().join();
 
-        //assertThat(crtCredentials.getAccessKeyId()).isNull();
-        //assertThat(crtCredentials.getSecretAccessKey()).isNull();
-
-
     }