RFR: 8319341: [Linux] Remove operation to show or hide children because it is unnecessary

Wed Nov 15 11:38:39 UTC 2023

On Thu, 2 Nov 2023 19:49:52 GMT, Thiago Milczarek Sayao <tsayao at openjdk.org> wrote:

> Observed that the window manager takes care of showing and hiding children because we set `gtk_window_set_transient_for`.
> 
> Works since Ubuntu 16.04.
> 
> This PR removes the code to show or hide children because it "duplicates" the operation and might lead to unknown bugs.

LGTM

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Marked as reviewed by lkostyra (Committer).

PR Review: https://git.openjdk.org/jfx/pull/1279#pullrequestreview-1731848269