Parkour implementation safety save 3

This is just a safety save in case the code gets too broken to fix.

src/main/java/net/knarcraft/minigames/arena/Arena.java

@@ -1,33 +0,0 @@
-package net.knarcraft.minigames.arena;
-
-import org.jetbrains.annotations.NotNull;
-
-import java.util.UUID;
-
-/**
- * An interface describing all arenas
- */
-public interface Arena {
-
-    /**
-     * Gets the id of this arena
-     *
-     * @return <p>This arena's identifier</p>
-     */
-    @NotNull UUID getArenaId();
-
-    /**
-     * Gets the name of this arena
-     *
-     * @return <p>The name of this arena</p>
-     */
-    @NotNull String getArenaName();
-
-    /**
-     * Gets this arena's sanitized name
-     *
-     * @return <p>This arena's sanitized name</p>
-     */
-    @NotNull String getArenaNameSanitized();
-
-}