clippy

runtime/gdev/tests/common/mod.rs

@@ -142,7 +142,7 @@ impl ExtBuilder {
     }*/
 
     pub fn change_parameters<
-        F: Fn(&mut pallet_duniter_test_parameters::Parameters<u32, u32, Balance>) -> (),
+        F: Fn(&mut pallet_duniter_test_parameters::Parameters<u32, u32, Balance>),
     >(
         mut self,
         f: F,