Fix ramp time breakage

Fix ramp time breakage

A previous commit inadvertently used ramp_time_over() instead of
in_ramp_time(), which breaks some jobs with ramp time. This is
because the former function has side effects, where we really
just want to check if we're in ramp time or not.

Fixes: a47591e4923f ("Improve logging accuracy")
Signed-off-by: Jens Axboe <axboe@fb.com>