Revert "add icon for actions"

This reverts commit 496e2893.

android/src/main/java/com/evollu/react/fcm/SendNotificationTask.java

@@ -232,16 +232,7 @@ public class SendNotificationTask extends AsyncTask<Void, Void, Void> {
                         PendingIntent pendingActionIntent = PendingIntent.getActivity(mContext, notificationID, actionIntent,
                                 PendingIntent.FLAG_UPDATE_CURRENT);
 
-                        int iconId = 0;
-                        if(action.hasKey("icon")) {
-                            String iconName = action.getString("icon");
-                            iconId = res.getIdentifier(iconName, "mipmap", packageName);
-                            if (iconId == 0) {
-                                iconId = res.getIdentifier(iconName, "drawable", packageName);
-                            }
-                        }
-
-                        notification.addAction(iconId, actionTitle, pendingActionIntent);
+                        notification.addAction(1, actionTitle, pendingActionIntent);
                     }
                 }