websites: Drop unnecessary cert for hatch.chat

The Synapse server has been gone for a long time.

websites.yml

@@ -20,12 +20,6 @@
     tags: websites/chmod777.sh
   - role: websites/apps.du5t1n.xyz
     tags: websites/apps.du5t1n.xyz
-  - role: cert
-    cert_src: websites/hatch.chat.cer
-    cert_dest: /etc/pki/tls/certs/hatch.chat.cer
-    cert_key_src: websites/hatch.chat.key
-    cert_key_dest: /etc/pki/tls/private/hatch.chat.key
-    tags: websites/hatch.chat
   - role: websites/tabitha
     tags:
     - websites/tabitha