Revert "Remove empty line"

This reverts commit a6c19438.

validation/src/validation_service/mod.rs

@@ -166,6 +166,7 @@ impl<C, N, P, SC, SP> ServiceBuilder<C, N, P, SC, SP> where
 			NotifyImport(sc_client_api::BlockImportNotification<Block>),
 		}
 
+
 		let collators = self.collators.clone();
 
 		let mut parachain_validation = ParachainValidationInstances {