remove super redundant code

i always thought i have to do it

src/main/java/land/chipmunk/chayapak/chomens_bot/plugins/PlayersPlugin.java

@@ -205,8 +205,6 @@ public class PlayersPlugin extends Bot.Listener {
 
             final JsonObject player = playersObject.get(getName(target)).getAsJsonObject();
 
-            if (player.has("lastSeen")) player.remove("lastSeen");
-
             final JsonObject object = new JsonObject();
             object.addProperty("time", Instant.now().toEpochMilli());
             object.addProperty("server", bot.host + ":" + bot.port);

src/main/java/land/chipmunk/chayapak/chomens_bot/util/PersistentDataUtilities.java

@@ -41,7 +41,6 @@ public class PersistentDataUtilities {
                 final String property = entry.getKey();
                 final JsonElement value = entry.getValue();
 
-                if (jsonObject.has(property)) jsonObject.remove(property);
                 jsonObject.add(property, value);
 
                 write(jsonObject.toString());