docs: remove warning about --rt-transition-closing-delay

docs/docs/examples/styling.mdx

@@ -446,14 +446,6 @@ In summary, if you do it correctly you can use CSS specificity instead of `!impo
 By default, the tooltip has a fade-in/fade-out transition when opening/closing, with a delay of 150ms for both.
 If you wish to change the delay for any of them, override the following CSS variables:
 
-:::caution
-
-Do not set `--rt-transition-closing-delay` to `0`. Doing so will result in the tooltip component being stuck (but not visible) on the DOM. This isn't itself a problem, but may lead to performance issues.
-
-Set to `1ms` or a similar value if you want to disable the fade-out transition when closing.
-
-:::
-
 ```css
 :root {
   --rt-transition-show-delay: 0.15s;