ply-utils: Drop ply_fd_can_take_data and ply_fd_may_block function
ply-utils: Drop ply_fd_can_take_data and ply_fd_may_block function Since it is from a bygone time which is no longer in use.
ply-utils: Drop ply_fd_can_take_data and ply_fd_may_block function Since it is from a bygone time which is no longer in use.