[calls] origin: Remove unused parameter from docstring

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit bcdb703ec309cb148414aea114bc0f6dedb63a1c
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Thu Jan 20 09:08:54 2022 +0100

    origin: Remove unused parameter from docstring

 src/calls-origin.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/calls-origin.c b/src/calls-origin.c
index 58100dd4..b39f3762 100644
--- a/src/calls-origin.c
+++ b/src/calls-origin.c
@@ -104,7 +104,6 @@ DEFINE_ORIGIN_GETTER(name, char *, NULL);
 /**
  * calls_origin_get_calls:
  * @self: a #CallsOrigin
- * @error: a #GError, or #NULL
  *
  * Get the list of current calls.
  *