[librsvg/librsvg-2.44] Remove unused macro_use

[Federico Mena Quintero <federico src gnome org>]

commit dfc7a103e1efe1598f49d4282383fc9b9396fc18
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Sep 18 17:17:13 2018 -0500

    Remove unused macro_use

 rsvg_internals/src/lib.rs | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/rsvg_internals/src/lib.rs b/rsvg_internals/src/lib.rs
index 294e211e..be50e9ad 100644
--- a/rsvg_internals/src/lib.rs
+++ b/rsvg_internals/src/lib.rs
@@ -23,7 +23,6 @@ extern crate regex;
 #[macro_use]
 extern crate lazy_static;
 
-#[macro_use]
 extern crate downcast_rs;
 
 pub use attributes::rsvg_attribute_from_name;