front: drop ManageTrainSchedule and ImportTrainSchedule tsv1

[SharglutDev]

See commits

close #8063 close #8237 close #8331

To test :

• Still possible to add / update train (try navigating in all tabs, changing start time, path, timestops and power restrictions need to keep working)
• Still possible to import trains from open data
• Bug is fixed

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 37 lines in your changes missing coverage. Please review.

Project coverage is 38.08%. Comparing base (c8faee9) to head (19653fc). Report is 9 commits behind head on dev.

Files	Patch %	Lines
...rtTrainSchedule/ImportTrainScheduleTrainDetail.tsx	0.00%	10 Missing :warning:
...ortTrainSchedule/generateTrainSchedulesPayloads.ts	0.00%	8 Missing and 1 partial :warning:
...plications/operationalStudies/views/ScenarioV1.tsx	0.00%	6 Missing :warning:
...e/components/ManageTrainSchedule/TrainSettings.tsx	0.00%	3 Missing :warning:
...rationalStudies/views/v2/ImportTrainScheduleV2.tsx	0.00%	2 Missing :warning:
...tTrainSchedule/ImportTrainScheduleTrainsListV2.tsx	0.00%	2 Missing :warning:
...ainSchedule/helpers/adjustConfWithTrainToModify.ts	0.00%	1 Missing and 1 partial :warning:
front/scripts/i18n-checker.ts	0.00%	1 Missing :warning:
...mportTrainSchedule/ImportTrainScheduleConfigV2.tsx	0.00%	1 Missing :warning:
...rainSchedule/ManageTrainScheduleMap/setPointIti.ts	0.00%	0 Missing and 1 partial :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #8330 +/- ## ============================================ + Coverage 36.74% 38.08% +1.33% Complexity 2163 2163 ============================================ Files 1282 1245 -37 Lines 119653 114500 -5153 Branches 3226 3130 -96 ============================================ - Hits 43971 43611 -360 + Misses 73743 69046 -4697 + Partials 1939 1843 -96 ``` | [Flag](https://app.codecov.io/gh/OpenRailAssociation/osrd/pull/8330/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | Coverage Δ | | |---|---|---| | [core](https://app.codecov.io/gh/OpenRailAssociation/osrd/pull/8330/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | `75.59% <ø> (ø)` | | | [editoast](https://app.codecov.io/gh/OpenRailAssociation/osrd/pull/8330/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | `66.84% <ø> (-0.04%)` | :arrow_down: | | [front](https://app.codecov.io/gh/OpenRailAssociation/osrd/pull/8330/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | `16.42% <0.00%> (+0.69%)` | :arrow_up: | | [gateway](https://app.codecov.io/gh/OpenRailAssociation/osrd/pull/8330/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | `2.03% <ø> (ø)` | | | [railjson_generator](https://app.codecov.io/gh/OpenRailAssociation/osrd/pull/8330/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | `87.49% <ø> (ø)` | | | [tests](https://app.codecov.io/gh/OpenRailAssociation/osrd/pull/8330/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | `72.98% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#carryforward-flags-in-the-pull-request-comment) to find out more.

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