[Integrated] RFR: 8236685: [macOs] Remove obsolete file dialog subclasses

[Kevin Rushforth]

Changeset: cfa11934
Author:    Kevin Rushforth <kcr at openjdk.org>
Date:      2020-03-06 19:19:17 +0000
URL:       https://git.openjdk.java.net/jfx/commit/cfa11934

8236685: [macOs] Remove obsolete file dialog subclasses

Reviewed-by: arapte, prr

! modules/javafx.graphics/src/main/native-glass/mac/GlassApplication.h
! modules/javafx.graphics/src/main/native-glass/mac/GlassApplication.m
! modules/javafx.graphics/src/main/native-glass/mac/GlassDialogs.m