KRaft support in DeleteOffsetsConsumerGroupCommandIntegrationTest

The following tests in DeleteOffsetsConsumerGroupCommandIntegrationTest in core/src/test/scala/unit/kafka/admin/DeleteOffsetsConsumerGroupCommandIntegrationTest.scala need to be updated to support KRaft

49 : def testDeleteOffsetsNonExistingGroup(): Unit = {

59 : def testDeleteOffsetsOfStableConsumerGroupWithTopicPartition(): Unit = {

64 : def testDeleteOffsetsOfStableConsumerGroupWithTopicOnly(): Unit = {

69 : def testDeleteOffsetsOfStableConsumerGroupWithUnknownTopicPartition(): Unit = {

74 : def testDeleteOffsetsOfStableConsumerGroupWithUnknownTopicOnly(): Unit = {

79 : def testDeleteOffsetsOfEmptyConsumerGroupWithTopicPartition(): Unit = {

84 : def testDeleteOffsetsOfEmptyConsumerGroupWithTopicOnly(): Unit = {

89 : def testDeleteOffsetsOfEmptyConsumerGroupWithUnknownTopicPartition(): Unit = {

94 : def testDeleteOffsetsOfEmptyConsumerGroupWithUnknownTopicOnly(): Unit = {

Scanned 198 lines. Found 0 KRaft tests out of 9 tests