[gnome-games/wip/exalm/rebrand: 2/102] Drop the libretro plugin

[Alexander Mikhaylenko <alexm src gnome org>]

commit b38a787c86e68000ecd9e730c05e442e3da7d5e6
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Tue Dec 1 16:23:17 2020 +0100

    Drop the libretro plugin
    
    It's used by nothing, we can always bring it back in the future if we
    find an actual use-case for it.

 plugins/libretro/data/libretro.plugin           |  6 --
 plugins/libretro/data/meson.build               |  1 -
 plugins/libretro/meson.build                    |  2 -
 plugins/libretro/src/libretro-error.vala        |  6 --
 plugins/libretro/src/libretro-icon.vala         | 23 -------
 plugins/libretro/src/libretro-plugin.vala       | 86 -------------------------
 plugins/libretro/src/libretro-title.vala        | 13 ----
 plugins/libretro/src/libretro-uri-iterator.vala | 40 ------------
 plugins/libretro/src/libretro-uri-source.vala   |  7 --
 plugins/libretro/src/meson.build                | 21 ------
 plugins/meson.build                             |  1 -
 11 files changed, 206 deletions(-)
---
diff --git a/plugins/meson.build b/plugins/meson.build
index 83e64b39..30f7e94c 100644
--- a/plugins/meson.build
+++ b/plugins/meson.build
@@ -1,7 +1,6 @@
 plugins = [
   'dreamcast',
   'game-cube',
-  'libretro',
   'love',
   'mame',
   'ms-dos',