fix: avoid localizing currencies and default missing value to N/A

stores/enter-details/helpers.ts

@@ -1,15 +1,11 @@
 import deepmerge from "deepmerge"
 import isEqual from "fast-deep-equal"
 
-import { Lang } from "@/constants/languages"
-
-import { getLang } from "@/i18n/serverContext"
 import { arrayMerge } from "@/utils/merge"
 
 import { detailsStorageName } from "."
 
 import type { SelectRateSearchParams } from "@/types/components/hotelReservation/selectRate/selectRate"
-import { CurrencyEnum } from "@/types/enums/currency"
 import type { StepEnum } from "@/types/enums/step"
 import type {
   DetailsState,
@@ -19,24 +15,6 @@ import type {
 } from "@/types/stores/enter-details"
 import type { SafeUser } from "@/types/user"
 
-export function langToCurrency() {
-  const lang = getLang()
-  switch (lang) {
-    case Lang.da:
-      return CurrencyEnum.DKK
-    case Lang.de:
-    case Lang.en:
-    case Lang.fi:
-      return CurrencyEnum.EUR
-    case Lang.no:
-      return CurrencyEnum.NOK
-    case Lang.sv:
-      return CurrencyEnum.SEK
-    default:
-      throw new Error(`Unexpected lang: ${lang}`)
-  }
-}
-
 export function extractGuestFromUser(user: NonNullable<SafeUser>) {
   return {
     countryCode: user.address.countryCode?.toString(),