gitlab: do not perform automatic conversion from hours to days in time tracking
Just noticed if I type
/estimate 8h 30m (like I did in #106) the estimate is shown as "1d 30m".
It's assuming my work day is 8 hours, which it isn't.
Already reported to https://gitlab.com/gitlab-org/gitlab-ce/issues/30355 and gained popularity, discussed at length, but still not implemented a year later.