Hello , i recently started using Aternos 
, its been great 2 days , i decided to refresh my server world (1.14.3 vanilla survival) and start over with new members joining and playing along with me. I saw an aternos video about how to include plugins into the world and decided to include the multiverse plugin , but i felt no need for it ,so i deleted it (from the plugins list) after a bit... after which when i started my server there was a notification at the "LOG" pointing towards multiverse not existing and it sent a message that said
"[Multiverse-Core] "Multiverse-Core v4.0.0-b766" has registered a listener for org.bukkit.event.entity.EntityCreatePortalEvent on method "public void com.onarandombox.MultiverseCore.listeners.MVPortalListener.entityPortalCreate(org.bukkit.event.entity.EntityCreatePortalEvent)", but the event is Deprecated. "Server performance will be affected"; please notify the authors [Rigby, fernferret, lithium3141, main--, dumptruckman]."
and i cant join my server , if anyone could direct me on how to get this fixed and help me to remove spigot from my server , it would be a huge help as i really wanna play with my friends on a new world 