Update cache docs

Author: AndriiSherman

src/content/docs/cache.mdx

@@ -3,14 +3,6 @@ import Npm from '@mdx/Npm.astro';
 
 # Cache
 
-<Callout type='warning'>
-Available only on `drizzle-orm@cache` tag
-
-<Npm>
-drizzle-orm@cache
-</Npm>
-</Callout>
-
 Drizzle sends every query straight to your database by default. There are no hidden actions, no automatic caching 
 or invalidation - you'll always see exactly what runs. If you want caching, you must opt in.