fix: remove cron config for cron-apt (this software is no longer in use)

tasks/configure_autoupdate.yml

@@ -12,9 +12,10 @@
       loop:
         - "/etc/cron-apt/action.d/3-download"
         - "/etc/cron-apt/config"
+        - "/etc/cron.d/cron-apt"
   when: ansible_os_family == "Debian"
 
-# unattended-upgrades is the default in Debian 11 and new UDA installations
+# unattended-upgrades is the default in Debian 11 and new GUBS installations
 # anyway, so we use it instead of cron-apt.
 - name: Install & configure unattended-upgrades (Debian/Ubuntu)
   block:
@@ -40,7 +41,7 @@
       loop:
         - 'Unattended-Upgrade::Mail "root";'
         - 'Unattended-Upgrade::MailOnlyOnError "true";'
-    # This file is present in UDA default installations. It sets unattended-
+    # This file is present in GUBS default installations. It sets unattended-
     # upgrades to install security upgrades only. We want all updates, so we
     # delete it.
     # (refers to https://git.slub-dresden.de/slub-referat-2-4/sdvuda10/-/commit/4c265c91ffef7775cad8abbe69da35bc398622e9)