This removes `dbg.addr` support from the Coroutines transform. This effectively reverts the `dbg.addr`-only portions of 19279ffc77b8d224c447d4eb0ee0c727ab64babf and 0b647fc5299156bf83c46aa539d6c9c39647bb36. Part of `dbg.addr` removal Discussed in https://discourse.llvm.org/t/what-is-the-status-of-dbg-addr/62898 Differential Revision: https://reviews.llvm.org/D144795