Stage little changes for checking master

src/main/java/fr/kungfunantes/backend/resource/ExerciseResource.java

@@ -42,7 +42,7 @@ public Optional<Exercise> byId(@RequestParam long id) {
 	@Transactional
 	public void delete(@PathVariable("id") Long id) {
 			Optional<Exercise> exercise = byId(id);
-			//System.out.println(exercise);
+			System.out.println(exercise);
 			/*switch(exerciseType) {
 				case "TAOLU":
 					exerciseCriteriaRepository.deleteById(id);