[gegl] color-rotate: clean double init

[Michael Murà <mmure src gnome org>]

commit 49de1ab9a0cd9cc689577ba0ba890469f420cd60
Author: Michael Murà <batolettre gmail com>
Date:   Wed May 23 21:22:46 2012 +0900

    color-rotate: clean double init

 operations/workshop/color-rotate.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/operations/workshop/color-rotate.c b/operations/workshop/color-rotate.c
index 4f75480..8084e3d 100644
--- a/operations/workshop/color-rotate.c
+++ b/operations/workshop/color-rotate.c
@@ -351,8 +351,6 @@ process (GeglOperation       *operation,
 
   src_buf = g_new0 (gfloat, result->width * result->height * 4);
 
-  format = babl_format ("RGBA float");
-
   gegl_buffer_get (input, result, 1.0, format, src_buf,
                    GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);