fix: docker.mdx supabase-analytics instead of supabase-db (#20008)

fix: docker.mdx analytics instead of db

The documentation says to destroy the analytics container but the command shown destroy the database container

apps/docs/pages/guides/self-hosting/docker.mdx

@@ -308,7 +308,7 @@ docker exec -it $(docker ps | grep supabase-db | awk '{print $1}') psql -U supab
 # Drop all the data in the _analytics schema
 DROP PUBLICATION logflare_pub; DROP SCHEMA _analytics CASCADE; CREATE SCHEMA _analytics;\q
 # Drop the analytics container
-docker rm supabase-db
+docker rm supabase-analytics
 ```
 
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