Make backups local to hosts

This actually allows for host-specific changes

ec2.yml

@@ -5,7 +5,6 @@
   roles:
     - common
     - user
-    - backups
 - hosts: tag_www_true
   vars:
     mysql_root_password: !vault |
@@ -15,12 +14,14 @@
           65323365313465316635646465376665616132653832316362363535366563363863636530313666
           3036393134386131310a643734363261633166636263343538313533393738323934303137343163
           39636637643035616236663364663562366133613233313139623937313531343564
-    backups_outdir: "/cold/backups"
     acme_directory: "https://acme-v02.api.letsencrypt.org/directory"
     #acme_directory: "https://acme-staging-v02.api.letsencrypt.org/directory"
     acme_version: 2
     acme_webroot: "/var/www/acme"
   roles:
+    - role: backups
+      vars:
+        backups_outdir: "/cold/backups"
     - role: gitea
       vars: 
         gitea_mysql_password: !vault |
@@ -73,6 +74,7 @@
         nextcloud_webroot: "/var/www/nextcloud"
 - hosts: tag_minecraft_ultreload
   roles:
+    - role: backups
     - role: minecraft
       vars:
         mcname: "ftbult-reloaded-smp"