fixed clippy:derivable-imps warning

src/daemon/dbus_iface.rs

@@ -2,14 +2,9 @@ use crate::cli::GpuCommands;
 use crate::commands::gpu;
 use zbus::interface;
 
+#[derive(Default)]
 pub struct LapctlInterface {}
 
-impl Default for LapctlInterface {
-    fn default() -> Self {
-        Self {}
-    }
-}
-
 #[interface(name = "org.lapctl1")]
 impl LapctlInterface {
     pub async fn switch_gpu_integrated(&self, no_reboot: bool) -> zbus::fdo::Result<()> {