Remove version from docker compose since it's been deprecated (#2816)

tests/setuponlytests/auto_curseforge/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     image: ${IMAGE_TO_TEST:-itzg/minecraft-server}

tests/setuponlytests/cf_files/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/conflicting_world_for_spigot_server/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/conflicting_world_for_vanilla_server/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/curseforge/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     image: ${IMAGE_TO_TEST:-itzg/minecraft-server:java8-multiarch}

tests/setuponlytests/defaults/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/generic-packs-prefix/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     image: ${IMAGE_TO_TEST:-itzg/minecraft-server}

tests/setuponlytests/generic-packs/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   web:
     image: nginx

tests/setuponlytests/icon-file-exact/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     image: ${IMAGE_TO_TEST:-itzg/minecraft-server}

tests/setuponlytests/icon-file-scale/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     image: ${IMAGE_TO_TEST:-itzg/minecraft-server}

tests/setuponlytests/icon-gif-multiframe/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   web:
     image: nginx

tests/setuponlytests/icon-png-atscale/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   web:
     image: nginx

tests/setuponlytests/icon-png-scale/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   web:
     image: nginx

tests/setuponlytests/modrinth/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     image: ${IMAGE_TO_TEST:-itzg/minecraft-server}

tests/setuponlytests/mounts-custom/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     image: ${IMAGE_TO_TEST:-itzg/minecraft-server}

tests/setuponlytests/ops_from_scratch/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/packwiz/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   web:
     image: nginx

tests/setuponlytests/pufferfish/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/quilt/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/spiget/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/spigot_world_for_spigot_server/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/spigot_world_for_vanilla_server/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/spongevanilla_version_compare/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/vanilla_world_for_spigot_server/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/vanilla_world_for_vanilla_server/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/vanillatweaks_file/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/vanillatweaks_sharecode/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/whitelist_from_scratch/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/world_from_tar/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/world_from_tarbz2/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/world_from_targz/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/world_from_tarzst/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"

tests/setuponlytests/world_from_zip/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   mc:
     restart: "no"