docker-compose: remove version line

docker-compose/gramps/docker-compose.yml.j2

@@ -1,6 +1,4 @@
 ---
-version: "3.7"
-
 services:
   grampsweb: &grampsweb
     container_name: grampsweb

docker-compose/httpd/docker-compose.yml.j2

@@ -1,4 +1,3 @@
-version: '3'
 services:
   httpd-registry:
     container_name: "httpd-registry"

docker-compose/miniflux/docker-compose.yml.j2

@@ -1,4 +1,3 @@
-version: '3'
 services:
 ######## Miniflux ########
   miniflux:

docker-compose/navidrome/docker-compose.yml.j2

@@ -1,4 +1,3 @@
-version: '3'
 services:
 ######## navidrome-mg ########
   navidrome-mg:

docker-compose/nextcloud/docker-compose.yml.j2

@@ -1,4 +1,3 @@
-version: '3.3'
 services:
 ######## Datenbank ########
   nextcloud-db:

docker-compose/postfix/docker-compose.yml.j2

@@ -1,4 +1,3 @@
-version: '3.3'
 services:
   postfix:
     image: "registry.mgrote.net/postfix:latest"

docker-compose/registry/docker-compose.yml.j2

@@ -1,4 +1,3 @@
-version: '3.3'
 services:
   oci-registry:
     restart: always

docker-compose/routeros-config-export/docker-compose.yml

@@ -1,4 +1,3 @@
-version: "3"
 services:
   routeros-config-export:
     container_name: routeros-config-export

docker-compose/traefik/docker-compose.yml.j2

@@ -1,4 +1,3 @@
-version: '3'
 services:
 ######## traefik ########
   traefik:

docker-compose/unifi-network-application/docker-compose.yml.j2

@@ -1,5 +1,4 @@
 ---
-version: "2.1"
 services:
   unifi-network-application:
     image: "lscr.io/linuxserver/unifi-network-application:8.0.28-ls27"

docker-compose/wiki/docker-compose.yml.j2

@@ -1,4 +1,3 @@
-version: '3'
 services:
   wiki-webserver:
     container_name: wiki-webserver

docker-compose/woodpecker/docker-compose.yml.j2

@@ -1,6 +1,3 @@
-# https://woodpecker-ci.org/docs/administration/setup
-version: '3'
-
 services:
   woodpecker-server:
     restart: always