Revert "Add missing volumes to the full-stack definition (#99)"

This reverts commit ff5d81e.

Author: rokh-conduktor

full-stack.yml

@@ -1,8 +1,4 @@
-version: '3.8'
-volumes:
-  full-stack_kafka1-data:
-  full-stack_zoo1-data:
-  full-stack_zoo1-log:
+version: '2.1'
 
 services:
   zoo1:
@@ -15,13 +11,6 @@ services:
       ZOOKEEPER_CLIENT_PORT: 2181
       ZOOKEEPER_SERVER_ID: 1
       ZOOKEEPER_SERVERS: zoo1:2888:3888
-    volumes:
-      - type: volume
-        source: full-stack_zoo1-data
-        target: /data
-      - type: volume
-        source: full-stack_zoo1-log
-        target: /datalog
 
   kafka1:
     image: confluentinc/cp-kafka:6.2.1
@@ -43,10 +32,6 @@ services:
       KAFKA_JMX_HOSTNAME: ${DOCKER_HOST_IP:-127.0.0.1}
     depends_on:
       - zoo1
-    volumes:
-      - type: volume
-        source: full-stack_kafka1-data
-        target: /var/lib/kafka/data
 
   kafka-schema-registry:
     image: confluentinc/cp-schema-registry:6.2.1