[librsvg: 5/8] Iri does not need to implement Default

[Federico Mena Quintero <federico src gnome org>]

commit e1d8d5ac4f2b785360ab86d1047a0970c88008d9
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Jul 7 16:39:14 2021 -0500

    Iri does not need to implement Default
    
    All the properties with Iri data specify their own default in their newtype.

 src/iri.rs | 6 ------
 1 file changed, 6 deletions(-)
---
diff --git a/src/iri.rs b/src/iri.rs
index 0aecc59e..9c73acb9 100644
--- a/src/iri.rs
+++ b/src/iri.rs
@@ -18,12 +18,6 @@ pub enum Iri {
     Resource(Box<NodeId>),
 }
 
-impl Default for Iri {
-    fn default() -> Iri {
-        Iri::None
-    }
-}
-
 impl Iri {
     /// Returns the contents of an `IRI::Resource`, or `None`
     pub fn get(&self) -> Option<&NodeId> {