[gegl] opacity: Remove format specia handling in OpenCL path.

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

commit ddb2f4225befb88eaaeb506369b7cddb49a6567d
Author: Jan Vesely <jano vesely gmail com>
Date:   Sun May 5 16:58:37 2019 -0400

    opacity: Remove format specia handling in OpenCL path.
    
    Signed-off-by: Jan Vesely <jano vesely gmail com>

 operations/common/opacity.c | 12 ------------
 1 file changed, 12 deletions(-)
---
diff --git a/operations/common/opacity.c b/operations/common/opacity.c
index e314f544e..7640cc3d3 100644
--- a/operations/common/opacity.c
+++ b/operations/common/opacity.c
@@ -45,19 +45,7 @@ prepare (GeglOperation *self)
 {
   const Babl *space = gegl_operation_get_source_space (self, "input");
   const Babl *fmt = gegl_operation_get_source_format (self, "input");
-  GeglProperties *o = GEGL_PROPERTIES (self);
 
-  if (gegl_operation_use_opencl (self))
-    {
-      if (babl_get_model_flags (fmt) & BABL_MODEL_FLAG_PREMULTIPLIED)
-        fmt = babl_format_with_space ("RaGaBaA float", space);
-      else
-        {
-          fmt = babl_format_with_space ("RGBA float", space);
-          o->user_data = o;
-        }
-    }
-  else
   fmt = gegl_babl_variant (fmt, GEGL_BABL_VARIANT_ALPHA);
 
   gegl_operation_set_format (self, "input", fmt);