[gimp] disabling Twain plug-in until it's fixed

[Jehan <jehanp src gnome org>]

commit eb229fe2dc1659a083e4f6eb7b22ef3778bb82ab
Author: Félix Piédallu <felix piedallu me>
Date:   Mon Sep 9 21:24:34 2019 +0200

    disabling Twain plug-in until it's fixed

 plug-ins/meson.build | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/plug-ins/meson.build b/plug-ins/meson.build
index a0b6c8e8c4..4aeb846420 100644
--- a/plug-ins/meson.build
+++ b/plug-ins/meson.build
@@ -27,10 +27,9 @@ subdir('map-object')
 subdir('metadata')
 subdir('pagecurl')
 subdir('print')
-# subdir('pygimp')
 subdir('python')
 subdir('screenshot')
 subdir('script-fu')
 subdir('selection-to-path')
-subdir('twain')
+# subdir('twain')
 subdir('ui')