[gegl] viewer.lua: remove thumbbar println

[Øyvind "pippin" Kolås <ok src gnome org>]

commit ac4faa2bba46d6e61d4062d05642113efa9ad55f
Author: Øyvind Kolås <pippin gimp org>
Date:   Wed May 29 16:05:41 2019 +0200

    viewer.lua: remove thumbbar println

 bin/lua/viewer.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/bin/lua/viewer.lua b/bin/lua/viewer.lua
index 1d1da7060..c445ba2c7 100644
--- a/bin/lua/viewer.lua
+++ b/bin/lua/viewer.lua
@@ -383,7 +383,7 @@ function draw_thumb_bar()
    -- print('a')
   end)
   cr:fill()
-  mrg:print("thumbbar" .. o:item_no() .. '' .. o:item_path())
+  -- mrg:print("thumbbar" .. o:item_no() .. '' .. o:item_path())
 end
 
 mrg:add_binding("page-up", NULL, "previous image",