chore: remove unused react-select (#4824)

Author: matthprost

package.json

@@ -140,7 +140,6 @@
     "@testing-library/user-event": "14.6.1",
     "@types/node": "22.13.9",
     "@types/react": "19.0.10",
-    "@types/react-datepicker": "6.2.0",
     "@types/react-dom": "19.0.4",
     "@types/zxcvbn": "4.4.5",
     "@ultraviolet/fonts": "workspace:*",

packages/ui/package.json

@@ -77,7 +77,6 @@
     "@emotion/react": "11.14.0",
     "@emotion/styled": "11.14.0",
     "@types/react": "19.0.10",
-    "@types/react-datepicker": "6.2.0",
     "@types/react-dom": "19.0.4",
     "@utils/test": "workspace:*",
     "react": "19.0.0",
@@ -95,7 +94,6 @@
     "@ultraviolet/icons": "workspace:*",
     "@ultraviolet/themes": "workspace:*",
     "deepmerge": "4.3.1",
-    "react-datepicker": "6.9.0",
     "react-select": "5.10.0",
     "react-toastify": "11.0.5",
     "react-use-clipboard": "1.0.9",