Derive Default for TunnelDeviceBuilder

Author: MarkusPettersson98

talpid-tunnel/src/tun_provider/unix.rs

@@ -116,6 +116,7 @@ pub struct TunnelDevice {
 /// A tunnel device builder.
 ///
 /// Call [`Self::create`] to create [`TunnelDevice`] from the config.
+#[derive(Default)]
 pub struct TunnelDeviceBuilder {
     config: Configuration,
 }
@@ -155,13 +156,6 @@ impl TunnelDeviceBuilder {
     }
 }
 
-impl Default for TunnelDeviceBuilder {
-    fn default() -> Self {
-        let config = Configuration::default();
-        Self { config }
-    }
-}
-
 impl AsRawFd for TunnelDevice {
     fn as_raw_fd(&self) -> RawFd {
         self.dev.as_raw_fd()