Remove info about "transition.wait"

Author: slonoed

docs/api/misc/transition.md

@@ -21,9 +21,5 @@ Retries a transition. Typically you save off a transition you care to
 return to, finish the workflow, then retry. This does not create a new
 entry in the browser history.
 
-### `wait(promise)`
-
-Will pause the transition until the promise resolves.
-
   [transition-hooks]:/docs/api/components/RouteHandler.md#static-lifecycle-methods