refactor! Remove deprecations marked for removal that are not present in upstream (#1483)

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/adapter/BukkitImplLoader.java

@@ -172,6 +172,9 @@ public class BukkitImplLoader {
                 if (className.equals(customCandidate)) {
                     LOGGER.warn("Failed to load the Bukkit adapter class '" + className + "'", e);
                 }
+                if (className.contains("Adapter") && className.contains("18")) {
+                    e.printStackTrace();
+                }
             }
         }