chore: Apply Clippy lint derivable_impls

Author: jbencin

stackslib/src/config/mod.rs

@@ -1664,40 +1664,25 @@ pub struct NodeConfig {
     pub stacker_dbs: Vec<QualifiedContractIdentifier>,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Default)]
 pub enum CostEstimatorName {
+    #[default]
     NaivePessimistic,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Default)]
 pub enum FeeEstimatorName {
+    #[default]
     ScalarFeeRate,
     FuzzedWeightedMedianFeeRate,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Default)]
 pub enum CostMetricName {
+    #[default]
     ProportionDotProduct,
 }
 
-impl Default for CostEstimatorName {
-    fn default() -> Self {
-        CostEstimatorName::NaivePessimistic
-    }
-}
-
-impl Default for FeeEstimatorName {
-    fn default() -> Self {
-        FeeEstimatorName::ScalarFeeRate
-    }
-}
-
-impl Default for CostMetricName {
-    fn default() -> Self {
-        CostMetricName::ProportionDotProduct
-    }
-}
-
 impl CostEstimatorName {
     fn panic_parse(s: String) -> CostEstimatorName {
         if &s.to_lowercase() == "naive_pessimistic" {

stackslib/src/net/chat.rs

@@ -52,21 +52,12 @@ use crate::net::{
 use crate::util_lib::db::{DBConn, Error as db_error};
 
 // did we or did we not successfully send a message?
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Default)]
 pub struct NeighborHealthPoint {
     pub success: bool,
     pub time: u64,
 }
 
-impl Default for NeighborHealthPoint {
-    fn default() -> NeighborHealthPoint {
-        NeighborHealthPoint {
-            success: false,
-            time: 0,
-        }
-    }
-}
-
 pub const NUM_HEALTH_POINTS: usize = 32;
 pub const HEALTH_POINT_LIFETIME: u64 = 12 * 3600; // 12 hours