Throw ClassNotFoundException without delegation

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java

@@ -116,14 +116,10 @@ final class PluginClassLoader extends URLClassLoader {
                     CodeSource source = new CodeSource(url, signers);
 
                     result = defineClass(name, classBytes, 0, classBytes.length, source);
-                }
 
-                if (result == null) {
-                    result = super.findClass(name);
-                }
-
-                if (result != null) {
                     loader.setClass(name, result);
+                } else {
+                    throw new ClassNotFoundException(name);
                 }
             }