removed version

modified:   nextcloud/docker-compose.yml
	modified:   passbolt/docker-compose.yml
	modified:   searxng/docker-compose.yml
	modified:   traefik/docker-compose.yml

nextcloud/docker-compose.yml

@@ -1,4 +1,4 @@
-version: "3"
+#version: "3"
 services:
   webapp:
     image: nextcloud

passbolt/docker-compose.yml

@@ -1,4 +1,4 @@
-version: "3.9"
+#version: "3.9"
 services:
   db:
     image: mariadb:10.11

searxng/docker-compose.yml

@@ -1,4 +1,4 @@
-version: "3"
+#version: "3"
 services:
   webapp:
     image: searxng/searxng

traefik/docker-compose.yml

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