How to remove "powered by livecaller.io"?

Only customers who are subscribed to the paid plan(monthly or yearly) are eligible for the removal. To use your own "powered by ..." logo, please provide it in SVG format similar to this: https://cdn.livecaller.io/img/pwb-livecaller.svg. Please ensure that the file size is not more than 10KB(Kilobyte) to avoid impacting the widget load time for your customers.