chore: remove unused react-datepicker

[matthprost]

React Datepicker is no more used as @lisalupi made DateInput from scratch. We can now remove the dependency and types of it.

[changeset-bot]

⚠️ No Changeset found

Latest commit: f515b68

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.21%. Comparing base (4a0a1fb) to head (f515b68).
Report is 11 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4824   +/-   ##
=======================================
  Coverage   89.21%   89.21%           
=======================================
  Files         230      230           
  Lines        8013     8013           
  Branches     3631     3632    +1     
=======================================
  Hits         7149     7149           
  Misses        864      864           

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