[gnome-builder/wip/gtk4-port: 151/736] libide/gui: remove IdeSearchButton

[Christian Hergert <chergert src gnome org>]

commit fbff766e23c6da1d83f28fa1d1761ca4ce8941e2
Author: Christian Hergert <chergert redhat com>
Date:   Tue Mar 29 01:01:27 2022 -0700

    libide/gui: remove IdeSearchButton
    
    We won't be using this going forward as we'll instead be using a new
    search window that ties to gether a bunch of things from command search,
    file search, actions, etc.

 src/libide/gui/ide-search-button.c | 290 -------------------------------------
 src/libide/gui/ide-search-button.h |  40 -----
 src/libide/gui/libide-gui.h        |   1 -
 src/libide/gui/meson.build         |   2 -
 4 files changed, 333 deletions(-)
---
diff --git a/src/libide/gui/libide-gui.h b/src/libide/gui/libide-gui.h
index 309909b03..fed603f1d 100644
--- a/src/libide/gui/libide-gui.h
+++ b/src/libide/gui/libide-gui.h
@@ -49,7 +49,6 @@
 #include "ide-preferences-addin.h"
 #include "ide-preferences-window.h"
 #include "ide-primary-workspace.h"
-#include "ide-search-button.h"
 #include "ide-session-addin.h"
 #include "ide-transient-sidebar.h"
 #include "ide-workbench.h"
diff --git a/src/libide/gui/meson.build b/src/libide/gui/meson.build
index ed5700f58..71d325d85 100644
--- a/src/libide/gui/meson.build
+++ b/src/libide/gui/meson.build
@@ -25,7 +25,6 @@ libide_gui_public_headers = [
   'ide-preferences-addin.h',
   'ide-preferences-window.h',
   'ide-primary-workspace.h',
-  'ide-search-button.h',
   'ide-session-addin.h',
   'ide-transient-sidebar.h',
   'ide-workbench.h',
@@ -96,7 +95,6 @@ libide_gui_public_sources = [
   'ide-primary-workspace.c',
   'ide-preferences-addin.c',
   'ide-preferences-window.c',
-  'ide-search-button.c',
   'ide-session-addin.c',
   'ide-transient-sidebar.c',
   'ide-workbench.c',