Fix clippy issues.

src/config/raw.rs

@@ -2,7 +2,7 @@ use serde::Deserialize;
 use serde::Serialize;
 
 /// This is the struct for the natter.toml config file that ends up in each site's root directory.
-#[derive(Debug, Deserialize, Serialize)]
+#[derive(Debug, Deserialize, Serialize, Default)]
 pub(crate) struct RawConfig {
     pub(super) site_title: Option<String>,
     author: Option<String>,
@@ -12,28 +12,7 @@ pub(crate) struct RawConfig {
     pub(super) stream: Option<RawConfigStream>,
 }
 
-impl Default for RawConfig {
-    fn default() -> Self {
-        RawConfig {
-            site_title: None,
-            author: None,
-            email: None,
-            use_relative_paths: None,
-            web_root: None,
-            stream: None,
-        }
-    }
-}
-
-#[derive(Debug, Deserialize, Serialize)]
+#[derive(Debug, Deserialize, Serialize, Default)]
 pub(crate) struct RawConfigStream {
     pub(super) entries_per_page: Option<usize>,
 }
-
-impl Default for RawConfigStream {
-    fn default() -> Self {
-        RawConfigStream {
-            entries_per_page: None,
-        }
-    }
-}