Replace BukkitImplementationTester with paperLib

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/WorldEditPlugin.java

@@ -104,9 +104,6 @@ public class WorldEditPlugin extends JavaPlugin implements TabCompleter {
         // platforms to be worried about... at the current time of writing
         WorldEdit.getInstance().getEventBus().post(new PlatformReadyEvent());
 
-        // Setup the BukkitImplementationTester.
-        BukkitImplementationTester.getImplementation();
-
         // Enable metrics
         new Metrics(this);
     }