hide reservations if there are none; clean code

src/tera/boatreservation.rs

@@ -13,9 +13,8 @@ use tera::Context;
 use crate::{
     model::{
         boat::Boat,
-        boatdamage::{BoatDamage, BoatDamageFixed, BoatDamageToAdd, BoatDamageVerified},
         boatreservation::{BoatReservation, BoatReservationToAdd},
-        user::{AdminUser, CoxUser, DonauLinzUser, TechUser, User, UserWithRoles},
+        user::{DonauLinzUser, User, UserWithRoles},
     },
     tera::log::KioskCookie,
 };