refactor: Remove redundant feature ID when static credentials are resolved from a profile

Author: dscpinheiro

sdk/src/Core/Amazon.Runtime/CredentialManagement/AWSCredentialsFactory.cs

@@ -204,6 +204,9 @@ private static AWSCredentials GetAWSCredentialsInternal(
                 {
                     case CredentialProfileType.Basic:
                         awsCredentials = new BasicAWSCredentials(options.AccessKey, options.SecretKey, options.AwsAccountId);
+
+                        // CREDENTIALS_PROFILE already implies static credentials so we can remove the redundant CREDENTIALS_CODE feature ID.
+                        awsCredentials.FeatureIdSources.Remove(UserAgentFeatureId.CREDENTIALS_CODE);
                         awsCredentials.FeatureIdSources.Add(UserAgentFeatureId.CREDENTIALS_PROFILE);
                         break;
                     case CredentialProfileType.Session: