[FIX] mapping errorを修正しました。

src/main/java/com/example/demo/app/presentation/controller/CourseController.java

@@ -39,12 +39,10 @@ public class CourseController {
     private final UserService userService;
     
     
-    @SessionCheck
-    @GetMapping("/course/select/register")
+    @PostMapping("/course/select/register")
     public String showSelectCourse(@ModelAttribute UserForm userForm, Model model, HttpSession session) {
     	
     	try {
-    		System.out.println(userForm.getMailAddress());
     		
     		session.setAttribute("userForm", userForm);
     		model.addAttribute("mode", "regist");