Remove card save successful message

Author: jeremiahAI

raveandroid/src/main/java/com/flutterwave/raveandroid/card/CardFragment.java

@@ -592,9 +592,6 @@ public void showCardSavingOption(boolean shouldShow) {
 
     @Override
     public void onCardSaveSuccessful(SaveCardResponse response, String verifyResponseAsJSONString, String phoneNumber) {
-        showToast("Card Saved Successfully");
-
-
         // Perform lookup of saved savedCards and save to phone storage
         presenter.lookupSavedCards(ravePayInitializer.getPublicKey(), phoneNumber, verifyResponseAsJSONString);