[gnome-builder] plugins/command-bar: remove command-bar plugin

[Christian Hergert <chergert src gnome org>]

commit 95f0e29517fcdccce07f74bf28b9bb7e82b9ef00
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jul 11 22:22:08 2022 -0700

    plugins/command-bar: remove command-bar plugin
    
    This is going to be handled differently in the GTK 4 port.

 src/plugins/command-bar/command-bar-plugin.c       |  40 ---
 src/plugins/command-bar/command-bar.gresource.xml  |   8 -
 src/plugins/command-bar/command-bar.plugin         |  11 -
 .../command-bar/gbp-command-bar-command-provider.c | 185 ----------
 .../command-bar/gbp-command-bar-command-provider.h |  31 --
 src/plugins/command-bar/gbp-command-bar-private.h  |  29 --
 .../command-bar/gbp-command-bar-shortcuts.c        |  64 ----
 .../command-bar/gbp-command-bar-suggestion.c       | 173 ---------
 .../command-bar/gbp-command-bar-suggestion.h       |  35 --
 .../command-bar/gbp-command-bar-workspace-addin.c  | 165 ---------
 .../command-bar/gbp-command-bar-workspace-addin.h  |  31 --
 src/plugins/command-bar/gbp-command-bar.c          | 386 ---------------------
 src/plugins/command-bar/gbp-command-bar.h          |  35 --
 src/plugins/command-bar/gbp-command-bar.ui         |  42 ---
 src/plugins/command-bar/gbp-gaction-command.c      | 174 ----------
 src/plugins/command-bar/gbp-gaction-command.h      |  38 --
 src/plugins/command-bar/meson.build                |  17 -
 src/plugins/command-bar/themes/shared.css          |  17 -
 18 files changed, 1481 deletions(-)