[gegl] noise-reduction: remove reference hash

[Øyvind Kolås <ok src gnome org>]

commit 6586b05b971e11b00aee59f25b9ded6ec029dfaa
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Mar 9 19:07:28 2017 +0100

    noise-reduction: remove reference hash
    
    noise reduction seems to at least produce different pixel values with opencl
    compared to cpu, removing reference hash for now

 operations/common/noise-reduction.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/operations/common/noise-reduction.c b/operations/common/noise-reduction.c
index 1d8c976..a501fb1 100644
--- a/operations/common/noise-reduction.c
+++ b/operations/common/noise-reduction.c
@@ -452,7 +452,6 @@ gegl_op_class_init (GeglOpClass *klass)
   gegl_operation_class_set_keys (operation_class,
     "title",       _("Noise Reduction"),
     "name"       , "gegl:noise-reduction",
-    "reference-hash", "881bcb59a6ddba1cb711edd24116db41",
     "categories" , "enhance:noise-reduction",
     "description", _("Anisotropic smoothing operation"),
     NULL);