[Fixed] Issue with cooldown

app/src/main/java/de/yannicpunktdee/yoshibot/command/commands/PlayCommand.java

@@ -36,7 +36,7 @@ public class PlayCommand extends YoshiCommand {
 		
 		for (User user : cooldownChecker.keySet()) {
 			Long timestamp = cooldownChecker.get(user);
-			if (timestamp - System.currentTimeMillis() > SECOND_DELAY * 1000) {
+			if (System.currentTimeMillis() - timestamp > SECOND_DELAY * 1000) {
 				cooldownChecker.remove(user);
 			}
 		}