You can write an onload catalog client script to hide the delivery time from Platform view. you can write it for one catalog item or create it in a variable set so that it will be applicable to all the items which contain that variable set.

1. Open a new Catalog Client script form

2. Set "Isolated Script" check box to false (you might need to do it after saving the script)

3. Set type to "onLoad"

4. Add below lines in your onload function

1. document.getElementById("sc_delivery_time_label_cell").style.display='none';
2. document.getElementById("sc_delivery_time_cell").style.display='none';

5. Save the client script form.