fixed location changes

src/main/java/ch/progetto152/repository/LocationRepository.java

@@ -10,4 +10,8 @@ import java.util.Optional;
 public interface LocationRepository extends JpaRepository<LocationEntity, Long> {
 
     Optional<LocationEntity> findLocationByLocation(String name);
+
+    Boolean existsByLocation(String name);
+
+    void deleteByLocation(String name);
 }

src/main/java/ch/progetto152/services/LocationService.java

@@ -49,11 +49,11 @@ public class LocationService {
     }
 
     public boolean deleteLocation(String name) {
-        boolean exists = locationRepository.existsById(id);
+        boolean exists = locationRepository.existsByLocation(name);
         if(!exists){
             return false;
         }
-        locationRepository.deleteByName(name);
+        locationRepository.deleteByLocation(name);
         return true;
     }
 }