Drop deprecated methods (#2837)

Co-authored-by: vrnsky <vrnsky@protonmail.com>

kafka-ui-api/src/main/java/com/provectus/kafka/ui/controller/ConsumerGroupsController.java

@@ -53,17 +53,6 @@ public class ConsumerGroupsController extends AbstractController implements Cons
         .map(ResponseEntity::ok);
   }
 
-
-  @Override
-  public Mono<ResponseEntity<Flux<ConsumerGroupDTO>>> getConsumerGroups(String clusterName,
-                                                                        ServerWebExchange exchange) {
-    return consumerGroupService.getAllConsumerGroups(getCluster(clusterName))
-        .map(Flux::fromIterable)
-        .map(f -> f.map(ConsumerGroupMapper::toDto))
-        .map(ResponseEntity::ok)
-        .switchIfEmpty(Mono.just(ResponseEntity.notFound().build()));
-  }
-
   @Override
   public Mono<ResponseEntity<Flux<ConsumerGroupDTO>>> getTopicConsumerGroups(
       String clusterName, String topicName, ServerWebExchange exchange) {

kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/ConsumerGroupService.java

@@ -64,13 +64,6 @@ public class ConsumerGroupService {
         });
   }
 
-  @Deprecated // need to migrate to pagination
-  public Mono<List<InternalConsumerGroup>> getAllConsumerGroups(KafkaCluster cluster) {
-    return adminClientService.get(cluster)
-        .flatMap(ac -> describeConsumerGroups(ac, null)
-            .flatMap(descriptions -> getConsumerGroups(ac, descriptions)));
-  }
-
   public Mono<List<InternalTopicConsumerGroup>> getConsumerGroupsForTopic(KafkaCluster cluster,
                                                                           String topic) {
     return adminClientService.get(cluster)

kafka-ui-contract/src/main/resources/swagger/kafka-ui-api.yaml

@@ -862,28 +862,6 @@ paths:
         200:
           description: OK
 
-  /api/clusters/{clusterName}/consumer-groups:
-    get:
-      tags:
-        - Consumer Groups
-      summary: get all ConsumerGroups
-      operationId: getConsumerGroups
-      parameters:
-        - name: clusterName
-          in: path
-          required: true
-          schema:
-            type: string
-      responses:
-        200:
-          description: OK
-          content:
-            application/json:
-              schema:
-                type: array
-                items:
-                  $ref: '#/components/schemas/ConsumerGroup'
-
   /api/clusters/{clusterName}/consumer-groups/{id}/offsets:
     post:
       tags: