RFR: JDK-8308028 Replace more uses of System.getProperty("os.name") with PlatformUtil calls [v3]

[Nir Lisker]

On Sat, 13 May 2023 17:23:55 GMT, Carl Döbbelin <duke at openjdk.org> wrote:

>> replaced implementation of OS checks in HostUtils with calls of PlatformUtil
>
> Carl Döbbelin has updated the pull request incrementally with one additional commit since the last revision:
> 
>   refactored HostUtils

`isEmbedded()` is also unused as far as I can tell.

The question is why this and `is64bit` were created. Before removing unused code I would try to find out if it is *supposed* to be used.

> i think it may be a valid option to replace calls of HostUtils by calls of PlatformUtil and move is64bit in the PlatformUtil as well. It may also be an option to remove it completely.

This is what I would have done. No need to have duplicate functionalities.

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PR Comment: https://git.openjdk.org/jfx/pull/1134#issuecomment-1546715646