Remove unused UUID import from AtlassianAuthFactoryTest

Signed-off-by: Srikanth Padakanti <srikanth_padakanti@apple.com>

Author: srikanthpadakanti

data-prepper-plugins/saas-source-plugins/atlassian-commons/src/test/java/org/opensearch/dataprepper/plugins/source/atlassian/rest/auth/AtlassianAuthFactoryTest.java

@@ -20,7 +20,6 @@
 import org.opensearch.dataprepper.plugins.source.atlassian.configuration.AuthenticationConfig;
 import org.opensearch.dataprepper.plugins.source.atlassian.configuration.Oauth2Config;
 
-import java.util.UUID;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertInstanceOf;