docs: remove dome.io button (#5528)

Author: robertnorrie

docs/docs/deployment/index.md

@@ -16,8 +16,6 @@ We have a number of example deployments across different providers and orchestra
 
 ## One Click Installers
 
-[![Deploy to Dome](https://trydome.io/button.svg)](https://app.trydome.io/signup?package=flagsmith)
-
 [![Deploy to DigitalOcean](https://www.deploytodo.com/do-btn-blue.svg)](https://cloud.digitalocean.com/apps/new?repo=https://github.com/flagsmith/flagsmith/tree/main)
 
 [![Deploy to Render](https://render.com/images/deploy-to-render-button.svg)](https://render.com/deploy?repo=https://github.com/flagsmith/flagsmith/tree/main)