[gnome-builder/wip/gtk4-port] libide/gtk: remove three-grid

[Christian Hergert <chergert src gnome org>]

commit 6504a19a9d433967b7fdb6fe35b9e47ac897f4e9
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jul 1 21:33:20 2022 -0700

    libide/gtk: remove three-grid
    
    This is not used anymore.

 src/libide/gtk/ide-gtk-init.c   |   2 -
 src/libide/gtk/ide-three-grid.c | 759 ----------------------------------------
 src/libide/gtk/ide-three-grid.h |  54 ---
 src/libide/gtk/libide-gtk.h     |   1 -
 src/libide/gtk/meson.build      |   3 -
 5 files changed, 819 deletions(-)
---
diff --git a/src/libide/gtk/ide-gtk-init.c b/src/libide/gtk/ide-gtk-init.c
index 5aedb6af4..cdb73d880 100644
--- a/src/libide/gtk/ide-gtk-init.c
+++ b/src/libide/gtk/ide-gtk-init.c
@@ -35,7 +35,6 @@
 #include "ide-radio-box.h"
 #include "ide-search-entry.h"
 #include "ide-shortcut-accel-dialog.h"
-#include "ide-three-grid.h"
 #include "ide-truncate-model.h"
 
 void
@@ -51,7 +50,6 @@ _ide_gtk_init (void)
   g_type_ensure (IDE_TYPE_RADIO_BOX);
   g_type_ensure (IDE_TYPE_SEARCH_ENTRY);
   g_type_ensure (IDE_TYPE_SHORTCUT_ACCEL_DIALOG);
-  g_type_ensure (IDE_TYPE_THREE_GRID);
   g_type_ensure (IDE_TYPE_TRUNCATE_MODEL);
 
   g_resources_register (ide_gtk_get_resource ());
diff --git a/src/libide/gtk/libide-gtk.h b/src/libide/gtk/libide-gtk.h
index 0f0904871..56a2ad058 100644
--- a/src/libide/gtk/libide-gtk.h
+++ b/src/libide/gtk/libide-gtk.h
@@ -37,6 +37,5 @@
 # include "ide-radio-box.h"
 # include "ide-search-entry.h"
 # include "ide-shortcut-accel-dialog.h"
-# include "ide-three-grid.h"
 # include "ide-truncate-model.h"
 #undef IDE_GTK_INSIDE
diff --git a/src/libide/gtk/meson.build b/src/libide/gtk/meson.build
index f034bdb70..d8cd4f011 100644
--- a/src/libide/gtk/meson.build
+++ b/src/libide/gtk/meson.build
@@ -22,14 +22,12 @@ libide_gtk_public_headers = [
   'ide-radio-box.h',
   'ide-search-entry.h',
   'ide-shortcut-accel-dialog.h',
-  'ide-three-grid.h',
   'ide-truncate-model.h',
   'libide-gtk.h',
 ]
 
 libide_gtk_enum_headers = [
   'ide-animation.h',
-  'ide-three-grid.h',
 ]
 
 install_headers(libide_gtk_public_headers, subdir: libide_gtk_header_subdir)
@@ -54,7 +52,6 @@ libide_gtk_public_sources = [
   'ide-radio-box.c',
   'ide-search-entry.c',
   'ide-shortcut-accel-dialog.c',
-  'ide-three-grid.c',
   'ide-truncate-model.c',
 ]