Remove Sneaky Klaus

It was hand-deployed, had no Caddy route, and nothing used it. Delete
its santa. DNS record.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

dns.yml

@@ -70,6 +70,8 @@
     removed_records:
       - name: thesatelliteoflove.com
         dns_records:
+          - name: "santa" # Sneaky Klaus, removed
+            ip: "{{ network.netcup_ip }}"
           - name: "home"
             ip: "{{ network.netcup_ip }}"
           - name: "pin"