Fix kafka-ui settings for Kafka Connect in kafka-ui-connectors.yaml (#848)

docker/kafka-ui-connectors.yaml

@@ -27,8 +27,6 @@ services:
       KAFKA_CLUSTERS_1_ZOOKEEPER: zookeeper1:2181
       KAFKA_CLUSTERS_1_JMXPORT: 9998
       KAFKA_CLUSTERS_1_SCHEMAREGISTRY: http://schemaregistry1:8085
-      KAFKA_CLUSTERS_1_KAFKACONNECT_0_NAME: first
-      KAFKA_CLUSTERS_1_KAFKACONNECT_0_ADDRESS: http://kafka-connect0:8083
 
   zookeeper0:
     image: confluentinc/cp-zookeeper:5.2.4