feat: Add currency module and remove currency models from region and pricing modules (#6536)

What:
- Creates a new currency module
- Removes currency model from the pricing module
- Removes currency model from region module

packages/pricing/integration-tests/__fixtures__/currency/data.ts

@@ -1,20 +0,0 @@
-export const defaultCurrencyData = [
-  {
-    symbol: "$",
-    name: "US Dollar",
-    symbol_native: "$",
-    code: "USD",
-  },
-  {
-    symbol: "CA$",
-    name: "Canadian Dollar",
-    symbol_native: "$",
-    code: "CAD",
-  },
-  {
-    symbol: "€",
-    name: "Euro",
-    symbol_native: "€",
-    code: "EUR",
-  },
-]

packages/pricing/integration-tests/__fixtures__/currency/index.ts

@@ -1,22 +0,0 @@
-import { SqlEntityManager } from "@mikro-orm/postgresql"
-import { Currency } from "@models"
-import { defaultCurrencyData } from "./data"
-
-export * from "./data"
-
-export async function createCurrencies(
-  manager: SqlEntityManager,
-  currencyData: any[] = defaultCurrencyData
-): Promise<Currency[]> {
-  const currencies: Currency[] = []
-
-  for (let curr of currencyData) {
-    const currency = manager.create(Currency, curr)
-
-    currencies.push(currency)
-  }
-
-  await manager.persistAndFlush(currencies)
-
-  return currencies
-}

packages/pricing/integration-tests/__fixtures__/seed-price-data.ts

@@ -1,6 +1,5 @@
 import { SqlEntityManager } from "@mikro-orm/postgresql"
 
-import { createCurrencies, defaultCurrencyData } from "./currency"
 import { createMoneyAmounts, defaultMoneyAmountsData } from "./money-amount"
 import { createPriceRules, defaultPriceRuleData } from "./price-rule"
 import { createPriceSets, defaultPriceSetsData } from "./price-set"
@@ -21,14 +20,12 @@ export async function seedPriceData(
   {
     moneyAmountsData = defaultMoneyAmountsData,
     priceSetsData = defaultPriceSetsData,
-    currencyData = defaultCurrencyData,
     priceRuleData = defaultPriceRuleData,
     priceSetMoneyAmountsData = defaultPriceSetMoneyAmountsData,
     priceSetMoneyAmountRulesData = defaultPriceSetMoneyAmountRulesData,
     ruleTypesData = defaultRuleTypesData,
   } = {}
 ) {
-  await createCurrencies(testManager, currencyData)
   await createMoneyAmounts(testManager, moneyAmountsData)
   await createPriceSets(testManager, priceSetsData)
   await createPriceSetMoneyAmounts(testManager, priceSetMoneyAmountsData)