RFR: 8324219: Remove incorrect documentation from Animation methods

[Nir Lisker]

On Fri, 19 Jan 2024 16:07:31 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

> The `Animation` class states in the documentation of various methods that the method call would be asynchronous, using language similar to:
> 
> 
> {@code stop()} is an asynchronous call, the {@code Animation} may not stop immediately.
> 
> 
> This is factually wrong, there are no asynchronous calls. In fact, the methods in question can only be called synchronously on the JavaFX Application thread, and the state of the animation is changed immediately. For example, when `stop()` is called, the animation transitions to the stopped state instantly, without waiting for the next animation pulse.

Looks fine, but I'd like to see what Jurgen's case is on the mailing list.

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Marked as reviewed by nlisker (Reviewer).

PR Review: https://git.openjdk.org/jfx/pull/1342#pullrequestreview-1835435903