DOC: Enforce Numpy Docstring Validation for DatetimeIndex
- [ ] xref #58066

Fixed SA01 issues for the following methods:

`pandas.DatetimeIndex.quarter`
`pandas.DatetimeIndex.round`
`pandas.DatetimeIndex.snap`
`pandas.DatetimeIndex.std`
`pandas.DatetimeIndex.time`
`pandas.DatetimeIndex.timetz`
`pandas.Series.dt.quarter`
`pandas.TimedeltaIndex.round`
`pandas.Series.dt.time`
`pandas.Series.dt.timetz`
`pandas.Series.dt.round`
`pandas.Series.dt.ceil`
`pandas.DatetimeIndex.floor`
`pandas.DatetimeIndex.ceil`
`pandas.TimedeltaIndex.floor`
`pandas.TimedeltaIndex.ceil`

Fixed functions also removed from code_checks.sh
Thanks @gboeker 