Revert "[O] Unescape course name"

This reverts commit 2a4a54d60b.

src/logic/course-info.ts

@@ -21,7 +21,7 @@ export default class CourseInfo
     {
         this.id_ci = json.id_ci
         this.year = json.year
-        this.name = unescape(json.name.trim())
+        this.name = json.name.trim()
         this.teacher = json.teacher
         this.level = json.level
         this.courseIds = json.courseIds.split('|').map((id: string) => +id);