[gtk/wip/matthiasc/shortcut-2] Drop GtkKeyHash

[Matthias Clasen <matthiasc src gnome org>]

commit b3108f8179b6aa9d6714269f81b46830302480b6
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Mar 22 16:15:36 2020 -0400

    Drop GtkKeyHash

 gtk/gtkkeyhash.c | 580 -------------------------------------------------------
 gtk/gtkkeyhash.h |  49 -----
 gtk/meson.build  |   1 -
 3 files changed, 630 deletions(-)
---
diff --git a/gtk/meson.build b/gtk/meson.build
index e85dceac45..d35f79630d 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -114,7 +114,6 @@ gtk_private_sources = files([
   'tools/gtkiconcachevalidator.c',
   'gtkiconhelper.c',
   'gtkkineticscrolling.c',
-  'gtkkeyhash.c',
   'gtkmagnifier.c',
   'gtkmenusectionbox.c',
   'gtkmenutracker.c',