Fix small format issues

application/module-language-school/src/main/java/org/fuseri/modulelanguageschool/user/UserController.java

@@ -137,8 +137,7 @@ public class UserController {
     @PutMapping("/{id}/languages")
     public ResponseEntity<UserDto> addLanguage(@PathVariable @NotNull Long id, @Valid @RequestBody UserAddLanguageDto body) {
         try {
-            var a = facade.addLanguageProficiency(id, body);
-            return ResponseEntity.ok(a);
+            return ResponseEntity.ok(facade.addLanguageProficiency(id, body));
         } catch (EntityNotFoundException e) {
             return ResponseEntity.notFound().build();
         }

application/module-language-school/src/main/java/org/fuseri/modulelanguageschool/user/UserFacade.java

@@ -38,7 +38,6 @@ public class UserFacade {
     public UserDto create(UserCreateDto dto) {
         var user = mapper.fromCreateDto(dto);
         return mapper.toDto(service.create(user));
-
     }
 
     public void delete(Long id) {