Remove unsued imports

src/lib/components/test_cases/TestCaseEdit.svelte

@@ -11,11 +11,8 @@
     type PopulationWithoutId,
     type Role,
   } from "@openfisca/json-model"
-  import { createEventDispatcher, getContext } from "svelte"
-  import type { Writable } from "svelte/store"
+  import { createEventDispatcher } from "svelte"
 
-  import { page } from "$app/stores"
-  import type { RequestedCalculations } from "$lib/calculations.svelte"
   import { requestAllTestCasesCalculations } from "$lib/calculations.svelte"
   import PictoBigEnfant from "$lib/components/pictos/PictoBigEnfant.svelte"
   import PictoBigParent from "$lib/components/pictos/PictoBigParent.svelte"