Cannot delete or cancel because Item Iphones is linked with Homepage Homepage

So when i am trying to delete the products under website --> homepage then i am not able to delete the record because after selecting the row for deletion and then it get deleted but after saving the form then again the product gets updated and no deletion happen which can be seen from screenshot. Can anyone please nightlight on this matter as of why i am not able to do so. Below mentioned is my screenshot for the error.