Remove unused 'id' field from Lesson model and adjust timetable database creation accordingly

src/sdk/src/models/lesson.py

@@ -17,7 +17,6 @@ from pydantic import BaseModel
 # TODO: Add a model for the substitutions
 
 class Lesson(BaseModel):
-    id: int
     position : int
     date: date
     room: str | None
@@ -31,7 +30,6 @@ class Lesson(BaseModel):
     @staticmethod
     def from_hebe_dict(data: dict):
         return Lesson(
-            id=data["Id"],
             position = data["TimeSlot"]["Position"],
             date=datetime.fromtimestamp(data["Date"]["Timestamp"] / 1000),
             room=data["Room"]["Code"],

src/sqlitehandlernr.py

@@ -65,7 +65,6 @@ def create_timetable_database(timetable_list):
         session.execute(delete(Timetable))
         for lesson in timetable_list:
             lesson_obj = Timetable(
-                lid=lesson.id, 
                 position = lesson.position,
                 date=lesson.date,
                 room=lesson.room,