Reverse a "debug" change to BukkitImplLoader

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

@@ -172,9 +172,6 @@ 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();
-                }
             }
         }