Feat/confirm popups cleanup rating backend

[noahbaumgartner]

Implemented https://github.com/ZHAW-PM4-Compass/compass/issues/150 and removed unused endpoints from backend.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 8.72727% with 251 lines in your changes missing coverage. Please review.

Project coverage is 25.09%. Comparing base (4abd01b) to head (12b5044). Report is 1 commits behind head on main.

Files	Patch %	Lines
frontend/src/app/(app)/moods/page.tsx	0.00%	115 Missing and 3 partials :warning:
frontend/src/app/(app)/categories/page.tsx	0.00%	26 Missing and 1 partial :warning:
frontend/src/app/(app)/incidents/page.tsx	0.00%	21 Missing :warning:
frontend/src/app/(app)/monthly-overview/page.tsx	0.00%	11 Missing and 2 partials :warning:
...nd/src/app/(app)/working-hours-check/[id]/page.tsx	0.00%	11 Missing :warning:
...rontend/src/app/(app)/working-hours-check/page.tsx	0.00%	11 Missing :warning:
frontend/src/app/(app)/users/page.tsx	0.00%	10 Missing :warning:
frontend/src/components/confirmmodal.tsx	0.00%	9 Missing and 1 partial :warning:
frontend/src/app/(app)/daily-overview/page.tsx	0.00%	9 Missing :warning:
frontend/src/components/table.tsx	0.00%	7 Missing :warning:
... and 6 more

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #152 +/- ## ============================================ - Coverage 27.26% 25.09% -2.17% + Complexity 342 298 -44 ============================================ Files 109 109 Lines 3191 3024 -167 Branches 538 507 -31 ============================================ - Hits 870 759 -111 + Misses 2150 2107 -43 + Partials 171 158 -13 ``` | [Flag](https://app.codecov.io/gh/ZHAW-PM4-Compass/compass/pull/152/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ZHAW-PM4-Compass) | Coverage Δ | | |---|---|---| | [backend](https://app.codecov.io/gh/ZHAW-PM4-Compass/compass/pull/152/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ZHAW-PM4-Compass) | `79.40% <82.75%> (-2.96%)` | :arrow_down: | | [frontend](https://app.codecov.io/gh/ZHAW-PM4-Compass/compass/pull/152/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ZHAW-PM4-Compass) | `0.52% <0.00%> (+0.01%)` | :arrow_up: | 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=ZHAW-PM4-Compass#carryforward-flags-in-the-pull-request-comment) to find out more.

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