remove unused imports

src/Updux.ts

@@ -8,15 +8,11 @@ import {
 import {
     configureStore,
     Reducer,
-    createAction,
     ActionCreator,
-    PrepareAction,
-    ActionCreatorWithPayload,
     ActionCreatorWithoutPayload,
     ActionCreatorWithPreparedPayload,
 } from '@reduxjs/toolkit';
-import { withPayload } from './actions.js';
-import { AggregateActions, Dux, UnionToIntersection } from './types.js';
+import { AggregateActions, Dux } from './types.js';
 import { buildActions } from './buildActions.js';
 import { buildInitial, AggregateState } from './initial.js';