Update TimetableSuccessDialog.tsx

Author: Austin-X

course-matrix/frontend/src/pages/TimetableBuilder/TimetableSuccessDialog.tsx

@@ -19,8 +19,7 @@ const TimetableSuccessDialog: React.FC<TimetableSuccessDialogProps> = ({
   successMessage,
   setSuccessMessage,
 }) => {
-  const dialogTitle =
-    successMessage !== null ? successMessage : "Unknown error occurred";
+  const dialogTitle = successMessage;
   const dialogDescription = successMessage?.includes("title already exists")
     ? "Please choose another title for your timetable"
     : null;