Remove GetFiatCurrenciesAndRates snippet

snippets/swift/BreezSDKExamples/Sources/FiatCurrencies.swift

@@ -21,28 +21,3 @@ func getCurrentRates(sdk:BlockingBreezServices) -> [Rate]? {
     // ANCHOR_END: fetch-fiat-rates
     return fiatRates
 }
-
-func getFiatCurrencyAndRates(sdk: BlockingBreezServices) -> [(FiatCurrency,Rate)]? {
-    // ANCHOR: get-fiat-currencies-and-rates
-    var ratesMap = [String:Rate]()
-    if let supportedFiatCurrencies = try? sdk.listFiatCurrencies(), let fiatRates = try? sdk.fetchFiatRates() {
-        for fiatRate in fiatRates {
-            ratesMap[fiatRate.coin.lowercased()] = fiatRate
-        }
-        
-        let sorted = supportedFiatCurrencies.sorted(by: { f1, f2 in
-            f1.id<f2.id
-        })
-        
-        var result = [(FiatCurrency,Rate)]()
-        for currency in sorted {
-            if let rate = ratesMap[currency.id.lowercased()] {
-                result.append((currency, rate))
-            }
-            
-        }
-        return result
-    }
-    // ANCHOR_END: get-fiat-currencies-and-rates
-    return nil
-}