Fix clippy warnings

Author: dbrgn

src/status.rs

@@ -197,23 +197,18 @@ pub struct Link {
     pub url: String,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq)]
+#[derive(Serialize, Deserialize, Default, Debug, Clone, PartialEq, Eq)]
 #[serde(rename_all = "snake_case")]
 pub enum BillingInterval {
     Yearly,
+    #[default]
     Monthly,
     Weekly,
     Daily,
     Hourly,
     Other,
 }
 
-impl Default for BillingInterval {
-    fn default() -> Self {
-        BillingInterval::Monthly
-    }
-}
-
 #[derive(Serialize, Deserialize, Default, Debug, Clone, PartialEq)]
 pub struct MembershipPlan {
     pub name: String,
@@ -310,19 +305,14 @@ impl Status {
     }
 }
 
-#[derive(Debug, Copy, Clone, Eq, PartialEq)]
+#[derive(Default, Debug, Copy, Clone, Eq, PartialEq)]
 enum StatusBuilderVersion {
+    #[default]
     V0_13,
     V14,
     Mixed,
 }
 
-impl Default for StatusBuilderVersion {
-    fn default() -> StatusBuilderVersion {
-        StatusBuilderVersion::V0_13
-    }
-}
-
 /// Builder for the `Status` object.
 #[derive(Default, Debug, Clone)]
 pub struct StatusBuilder {