cleanup imports

Author: Fred Campos

operator/src/test/java/it/aboutbits/postgresql/helm/HelmTest.java

@@ -6,7 +6,6 @@
 import io.quarkus.test.junit.QuarkusTest;
 import io.smallrye.common.process.ProcessBuilder;
 import lombok.extern.slf4j.Slf4j;
-import org.assertj.core.api.InstanceOfAssertFactories;
 import org.eclipse.microprofile.config.inject.ConfigProperty;
 import org.jspecify.annotations.NullMarked;
 import org.junit.jupiter.api.DisplayName;