[MacPorts] #52683: gtk2-industrial: remove obsolete port which conflicts with current gnome-engines2

[MacPorts]

#52683: gtk2-industrial: remove obsolete port which conflicts with current gnome-
engines2
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 Reporter:  dbevans  |      Owner:  macports-tickets@…
     Type:  defect   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.3.4
 Keywords:  removal  |       Port:  gtk2-industrial gtk-engines2
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 This port is an obsolete version of the Industrial theme, originally
 introduced as part of the Ximian GNOME desktop some time around the year
 2000.  Ximian is long gone but the theme was incorporated into the GNOME
 desktop proper and now resides in gtk-engines2 which is a part of the
 current GNOME 3.22.1 release.

 gtk-engines2 provides support for this theme under both gtk2 and gtk3,
 while the older gtk2-industrial only provides gtk1 and early gtk2 support.
 The two ports conflict with each other.

 I'd like to start the removal process by formally marking gtk2-industrial
 obsolete, replaced by gtk-engine2.  Attached is a patch to make the
 proposed change.  Let me know if I have your authority as maintainer to
 commit the patch.

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Ticket URL: <https://trac.macports.org/ticket/52683>
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