[gegl] removed the --dot line from the usage function

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

commit fe2c94945bc95a0f5c627fdc3aefcd66dbe5b671
Author: urek <shlover v gmail com>
Date:   Tue May 5 07:08:02 2020 -0300

    removed the --dot line from the usage function

 bin/gegl-options.c | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/bin/gegl-options.c b/bin/gegl-options.c
index a7290856a..a39952818 100644
--- a/bin/gegl-options.c
+++ b/bin/gegl-options.c
@@ -60,8 +60,6 @@ _("usage: %s [options] <file | -- [op [op] ..]>\n"
 "\n"
 "     -x, --xml       use xml provided in next argument\n"
 "\n"
-"     --dot           output a graphviz graph description\n"
-"\n"
 "     -o, --output    output generated image to named file, type based\n"
 "                     on extension.\n"
 "\n"