fix issue with currency

app/src/main/java/net/pokeranalytics/android/ui/fragment/CurrenciesFragment.kt

@@ -46,6 +46,14 @@ class CurrenciesFragment : PokerAnalyticsFragment(), StaticRowRepresentableDataS
 
         private val availableCurrencies = this.systemCurrencies.filter {
             !mostUsedCurrencyCodes.contains(it.currencyCode)
+        }.filter {
+            Locale.getAvailableLocales().filter {locale ->
+                try {
+                    Currency.getInstance(locale).currencyCode == it.currencyCode
+                } catch (e: Exception) {
+                    false
+                }
+            }.isNotEmpty()
         }.sortedBy {
             it.displayName
         }.map {