Some general cleaning up.

app/Repositories/Currency/CurrencyRepository.php

@@ -81,4 +81,4 @@ class CurrencyRepository implements CurrencyRepositoryInterface
 
         return $currency;
     }
-}
+}

app/Repositories/Currency/CurrencyRepositoryInterface.php

@@ -49,4 +49,4 @@ interface CurrencyRepositoryInterface
      */
     public function update(TransactionCurrency $currency, array $data);
 
-}
+}