➖ Removed all unused dependencies for flutter

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 14.49%. Comparing base (4f3ab63) to head (f81bf24). Report is 2 commits behind head on development.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## development #346 +/- ## ============================================ Coverage 14.49% 14.49% ============================================ Files 22 22 Lines 945 945 ============================================ Hits 137 137 Misses 808 808 ``` | [Flag](https://app.codecov.io/gh/COS301-SE-2024/BeakPeek/pull/346/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=COS301-SE-2024) | Coverage Δ | | |---|---|---| | [](https://app.codecov.io/gh/COS301-SE-2024/BeakPeek/pull/346/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=COS301-SE-2024) | `14.49% <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=COS301-SE-2024#carryforward-flags-in-the-pull-request-comment) to find out more.

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