remove empty warning in docs

Author: msukkari

docs/self-hosting/overview.mdx

@@ -5,8 +5,6 @@ sidebarTitle: Overview
 
 <Note>Want to use Sourcebot without self-hosting? Checkout [Sourcebot Cloud](https://sourcebot.dev/login)</Note>
 
-<Warning></Warning>
-
 Sourcebot is open source and can be self-hosted using our official Docker images. To get started, run the following command:
 
 ``` bash