Remove borg-restore.pl

The perl script is currently breaking and there's not really an advantage to keeping it around.
We've never used it.

roles/borg_client/tasks/main.yml

 ---
-
 - name: install borg and tools
-  pacman: name=borg,perl-app-borgrestore state=present
-
-- name: install borg-restore config
-  template: src=borg-restore.cfg.j2 dest=/etc/borg-restore.cfg owner=root group=root mode=0644
+  pacman: name=borg state=present
 
 - name: check if borg repository already exists
   command: borg list {{ item['host'] }}/{{ item['dir'] }}

roles/borg_client/templates/borg-backup.sh.j2

@@ -83,5 +83,3 @@ if is_btrfs "$src"; then
     done
     rmdir "$backup_mountdir"
 fi
-
-/usr/bin/vendor_perl/borg-restore.pl --update-cache

roles/borg_client/templates/borg-restore.cfg.j2

-# We set the repo in the /usr/local/bin/borg wrapper which is enough
-$borg_repo = "";
-
-$cache_path_base = "/root/.cache/borg-restore.pl";
-
-{% if filesystem == "btrfs" %}
-@backup_prefixes = (
-	{regex => "^/", replacement => "backup-snap/"},
-);
-{% endif %}
-
-1;
-
-# vim: set ft=perl: