chore: remove unused imports

Author: eunpk

api/src/main/java/io/kafbat/ui/controller/ConsumerGroupsController.java

@@ -16,14 +16,12 @@
 import io.kafbat.ui.model.PartitionOffsetDTO;
 import io.kafbat.ui.model.SortOrderDTO;
 import io.kafbat.ui.model.rbac.AccessContext;
-import io.kafbat.ui.model.rbac.permission.ConnectAction;
 import io.kafbat.ui.model.rbac.permission.TopicAction;
 import io.kafbat.ui.service.ConsumerGroupService;
 import io.kafbat.ui.service.OffsetsResetService;
 import java.util.Map;
 import java.util.Optional;
 import java.util.function.Supplier;
-import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;

api/src/main/java/io/kafbat/ui/service/ConsumerGroupService.java

@@ -18,7 +18,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
-import java.util.Set;
 import java.util.function.ToIntFunction;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;

api/src/main/java/io/kafbat/ui/service/ReactiveAdminClient.java

@@ -49,7 +49,6 @@
 import org.apache.kafka.clients.admin.DescribeClusterOptions;
 import org.apache.kafka.clients.admin.DescribeClusterResult;
 import org.apache.kafka.clients.admin.DescribeConfigsOptions;
-import org.apache.kafka.clients.admin.ListConsumerGroupOffsetsOptions;
 import org.apache.kafka.clients.admin.ListConsumerGroupOffsetsSpec;
 import org.apache.kafka.clients.admin.ListOffsetsResult;
 import org.apache.kafka.clients.admin.ListTopicsOptions;