remove more missing imports

Author: woodser

desktop/src/main/java/haveno/desktop/util/DisplayUtils.java

@@ -3,7 +3,6 @@
 import haveno.common.crypto.PubKeyRing;
 import haveno.core.account.witness.AccountAgeWitness;
 import haveno.core.account.witness.AccountAgeWitnessService;
-import haveno.core.locale.CurrencyUtil;
 import haveno.core.locale.GlobalSettings;
 import haveno.core.locale.Res;
 import haveno.core.monetary.Price;