fix: delete ADMIN from EmployeeAuth

src/main/java/edu/sfedu/brsback/utils/auth/EmployeeAuth.java

@@ -7,6 +7,6 @@ import java.lang.annotation.*;
 @Target({ElementType.METHOD, ElementType.TYPE})
 @Retention(RetentionPolicy.RUNTIME)
 @Inherited
-@PreAuthorize("hasAnyAuthority(T(edu.sfedu.brsback.enums.UserRole).TEACHER, T(edu.sfedu.brsback.enums.UserRole).ADMIN, T(edu.sfedu.brsback.enums.UserRole).MANAGER)")
+@PreAuthorize("hasAnyAuthority(T(edu.sfedu.brsback.enums.UserRole).TEACHER, T(edu.sfedu.brsback.enums.UserRole).MANAGER)")
 public @interface EmployeeAuth {
 }