[chore] Remove obsolete version attribute from docker-compose yml files

Fixes warnings like these: ``` WARN[0000] openfire-docker-compose/cluster/docker-compose-clustered.yml: `version` is obsolete ```
2024-11-25 21:53:16 +01:00 · 2024-11-25 21:53:16 +01:00 · 96bcd89c95
parent 478caa939b
commit 96bcd89c95
4 changed files with 0 additions and 8 deletions
--- a/cluster/docker-compose-clustered.yml
+++ b/cluster/docker-compose-clustered.yml
@ -1,5 +1,3 @@
-version: '3.7'
-
 services:

  db:
--- a/cluster_with_federation/docker-compose-clustered.yml
+++ b/cluster_with_federation/docker-compose-clustered.yml
@ -1,5 +1,3 @@
-version: '3.7'
-
 services:

  db:
--- a/proxy/docker-compose.yml
+++ b/proxy/docker-compose.yml
@ -1,5 +1,3 @@
-version: '3.7'
-
 services:

  db:
--- a/simple/docker-compose.yml
+++ b/simple/docker-compose.yml
@ -1,5 +1,3 @@
-version: '3.7'
-
 services:

  db: