Fix checkstyle

Author: jasonlessenich

src/main/java/net/javadiscord/javabot/listener/PingableNameListener.java

@@ -9,7 +9,6 @@
 import net.javadiscord.javabot.util.ExceptionLogger;
 import net.javadiscord.javabot.util.StringUtils;
 
-import javax.management.Notification;
 import java.io.IOException;
 import java.net.URL;
 import java.util.ArrayList;

src/main/java/net/javadiscord/javabot/systems/qotw/QOTWReminderJob.java

@@ -13,7 +13,6 @@
 import org.quartz.JobExecutionContext;
 import org.quartz.JobExecutionException;
 
-import javax.management.Notification;
 import java.sql.Connection;
 import java.sql.SQLException;
 import java.util.Optional;