That damaged area is part of the window rail. You have to take apart the door to remove it.
It's #9 (left: 72266-S30-000) and #4 (right: 72226-S30-000)
Unless it's not damaged, then its just the cover #6 (right: 67326-S30-003ZA) and #8 (left: 67366-S30-003ZA):