Unused imports

Author: Steffen Karlsson

api/src/main/java/io/strimzi/api/kafka/model/common/ClientTls.java

@@ -15,8 +15,6 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Objects;
-import java.util.stream.Collectors;
 
 import static java.util.Collections.emptyMap;