docs: Remove redundant alert.

Author: Asynchronite

docs/organization/integrations/issue-tracking/makeplane/index.mdx

@@ -17,12 +17,6 @@ Sentry owner, manager, or admin permissions are required to install this integra
 
 ### Sentry SaaS
 
-<Alert>
-
-This setup will only work if you are using Plane Cloud *and* Sentry SaaS. For self-hosted Plane/Sentry, see the [Sentry Self-Hosted](#sentry-self-hosted) section.
-
-</Alert>
-
 1. Navigate to **Settings > Integrations > Makeplane**
 
 2. Follow the full [Plane setup instructions](https://docs.plane.so/integrations/sentry).