Amend based on autoformatting rules

Author: Sanne

hibernate-reactive-core/src/test/java/org/hibernate/reactive/issue/JoinedSubclassInheritanceWithManyToOneTest.java

@@ -11,7 +11,6 @@
 import java.util.concurrent.CompletionStage;
 
 import org.hibernate.reactive.BaseReactiveTest;
-import org.hibernate.reactive.util.impl.CompletionStages;
 
 import org.junit.Test;