Remove logger from KafkaEmbedded

https://build.spring.io/browse/SK-SK13X-60/

Author: artembilan

spring-kafka-test/src/main/java/org/springframework/kafka/test/rule/KafkaEmbedded.java

@@ -492,17 +492,13 @@ public void onPartitionsRevoked(Collection<TopicPartition> partitions) {
 			@Override
 			public void onPartitionsAssigned(Collection<TopicPartition> partitions) {
 				consumerLatch.countDown();
-				if (logger.isDebugEnabled()) {
-					logger.debug("partitions assigned: " + partitions);
-				}
 			}
 
 		});
 		consumer.poll(0); // force assignment
 		assertThat(consumerLatch.await(30, TimeUnit.SECONDS))
 				.as("Failed to be assigned partitions from the embedded topics")
 				.isTrue();
-		logger.debug("Subscription Initiated");
 	}
 
 }