The average Airbnb one-bedroom charges you $96 to clean the place after you leave. Then the host leaves a note asking you to strip the beds and start a load of laundry before you go. And Airbnb still keeps about $15 of that cleaning fee. Starting next month, hosts can't make you do that anymore. The reason they fought so hard to keep those checkout lists comes down to one line about towels. The line is "start a load of all white towels (use bleach)." Laundry is the slowest part of cleaning a…