chore: cleanup code

crates/quark/src/models/media/attachment.rs

@@ -1,10 +1,11 @@
 use serde::{Deserialize, Serialize};
 
 /// Metadata associated with file
-#[derive(Serialize, Deserialize, JsonSchema, Debug, Clone)]
+#[derive(Serialize, Deserialize, JsonSchema, Debug, Clone, Default)]
 #[serde(tag = "type")]
 pub enum Metadata {
     /// File is just a generic uncategorised file
+    #[default]
     File,
     /// File contains textual data and should be displayed as such
     Text,
@@ -16,12 +17,6 @@ pub enum Metadata {
     Audio,
 }
 
-impl Default for Metadata {
-    fn default() -> Metadata {
-        Metadata::File
-    }
-}
-
 /// Representation of a File on Revolt
 /// Generated by Autumn
 #[derive(Serialize, Deserialize, JsonSchema, Debug, Clone, Default)]