refactor: remove uncontrolled passwordbox component

Author: mchappell

src/design-system/index.ts

@@ -24,9 +24,8 @@ export { ToastBar } from './toast-bar';
 export * from './tooltip';
 export { Message } from './message';
 export { Metadata, MetadataLink } from './metadata';
-export { PasswordBox, UncontrolledPasswordBox } from './password-box';
+export { PasswordBox } from './password-box';
 export type {
-  UncontrolledPasswordBoxProps,
   PasswordBoxProps,
   OnPasswordChange,
   Password,