style(docker): remove comments

docker/blocks/elastic5/fig

@@ -1,11 +1,8 @@
-# You need to run sysctl -w vm.max_map_count=262144 on the host machine
+# You need to run 'sysctl -w vm.max_map_count=262144' on the host machine
 
 elasticsearch5:
   image: elasticsearch:5
-  #command: elasticsearch -Des.network.host=0.0.0.0
   command: elasticsearch
   ports:
     - "9200:9200"
     - "9300:9300"
- # volumes:
- # - ./blocks/elastic/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml