remove the version property in docker-compose files

Author: phongnguyend

tools/aws-otel-collector/docker-compose.yaml

@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   aws-ot-collector:
     image: public.ecr.aws/aws-observability/aws-otel-collector:latest

tools/debezium/docker-compose-sqlserver.yaml

@@ -1,4 +1,3 @@
-version: '2'
 services:
   zookeeper:
     image: quay.io/debezium/zookeeper:${DEBEZIUM_VERSION}

tools/docker-compose.yml

@@ -1,4 +1,3 @@
-version: "3.6"
 services:
     db:
         image: "mcr.microsoft.com/mssql/server:2017-latest"

tools/elasticsearch-single-node/docker-compose.yml

@@ -1,4 +1,3 @@
-version: "3.6"
 services:
     elasticsearch:
         image: "docker.elastic.co/elasticsearch/elasticsearch:7.6.2"

tools/jenkins/docker-compose.yml

@@ -1,4 +1,3 @@
-version: "3.7"
 services:
   jenkins:
     image: jenkins

tools/kafka-single-node/docker-compose.yml

@@ -1,5 +1,4 @@
 ---
-version: '2'
 services:
   kafka:
     image: confluentinc/cp-kafka:latest

tools/mailhog/docker-compose.yml

@@ -1,4 +1,3 @@
-version: "3.6"
 services:
   mailhog:
     image: mailhog/mailhog

tools/mssqlserver-2025/docker-compose.yml

@@ -1,4 +1,3 @@
-version: '3.6'
 services:
   db:
     image: 'mcr.microsoft.com/mssql/server:2025-latest'

tools/mssqlserver/docker-compose.yml

@@ -1,4 +1,3 @@
-version: '3.6'
 services:
   db:
     image: 'mcr.microsoft.com/mssql/server:2017-latest'

tools/mysql/docker-compose.yml

@@ -1,5 +1,3 @@
-version: '3.8'
-
 services:
   db:
     image: mysql:8.0