♻️ Remove redundant field in inherited class (#1520)

backend/app/models.py

@@ -75,7 +75,6 @@ class ItemUpdate(ItemBase):
 # Database model, database table inferred from class name
 class Item(ItemBase, table=True):
     id: uuid.UUID = Field(default_factory=uuid.uuid4, primary_key=True)
-    title: str = Field(max_length=255)
     owner_id: uuid.UUID = Field(
         foreign_key="user.id", nullable=False, ondelete="CASCADE"
     )