Fix custom tab API to allow using as soon as constructed

api/src/main/java/net/md_5/bungee/api/ProxyServer.java

@@ -245,7 +245,8 @@ public abstract class ProxyServer
     /**
      * Gets a new instance of this proxies custom tab list.
      *
+     * @param player the player to generate this list in the context of
      * @return a new {@link CustomTabList} instance
      */
-    public abstract CustomTabList customTabList();
+    public abstract CustomTabList customTabList(ProxiedPlayer player);
 }

api/src/main/java/net/md_5/bungee/api/tab/TabListAdapter.java

@@ -2,7 +2,6 @@ package net.md_5.bungee.api.tab;
 
 import lombok.Getter;
 import lombok.NoArgsConstructor;
-import net.md_5.bungee.api.tab.TabListHandler;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 
 @NoArgsConstructor