[gimp] plug-ins: don't add alpha to all but the loaded tiff's background layer

[Michael Natterer <mitch src gnome org>]

commit 9a1f94e9b291089117fe83c14cd94788a5beb5e3
Author: Michael Natterer <mitch gimp org>
Date:   Sun Sep 13 20:14:22 2015 +0200

    plug-ins: don't add alpha to all but the loaded tiff's background layer
    
    That's not needed any longer.

 plug-ins/common/file-tiff-load.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/plug-ins/common/file-tiff-load.c b/plug-ins/common/file-tiff-load.c
index 29c769c..fa729f8 100644
--- a/plug-ins/common/file-tiff-load.c
+++ b/plug-ins/common/file-tiff-load.c
@@ -1265,9 +1265,6 @@ load_image (const gchar        *filename,
                                   layer_offset_x_pixel, layer_offset_y_pixel);
         }
 
-      if (ilayer > 0 && ! alpha)
-        gimp_layer_add_alpha (layer);
-
       gimp_image_insert_layer (image, layer, -1, -1);
 
       if (target == GIMP_PAGE_SELECTOR_TARGET_IMAGES)