update timing data

apps/course/models/course.py

@@ -494,9 +494,7 @@ class Course(models.Model):
                 for k, v in val.items():
                     raw_timings.append({"day": k, "time": str(v)})
 
-        en_timings = []
-        ru_timings = []
-        fa_timings = []
+        normalized_timings = []
         for item in raw_timings:
             if isinstance(item, dict):
                 day_key = normalize_weekday_to_key(item.get('day'))