Remove footer, cryptominer (#86)

manuscript/recipes/piwik.md

@@ -90,10 +90,4 @@ networks:
 
 Launch the Piwik stack by running ```docker stack deploy piwik -c <path -to-docker-compose.yml>```
 
-Log into your new instance at https://**YOUR-FQDN**, and follow the wizard to complete the setup.
-
-### Tip your waiter (support me) 👏
-
-Did you receive excellent service? Want to make your waiter happy? (_..and support development of current and future recipes!_) See the [support](/support/) page for (_free or paid)_ ways to say thank you! 👏
-
-### Your comments? 💬
+Log into your new instance at https://**YOUR-FQDN**, and follow the wizard to complete the setup.