remove useless values

Author: doombeaker

src/components/assistant/Sidebar.vue

@@ -177,7 +177,6 @@
     sendStreamChatRequest,
     createImageUserMessage,
     formatOutputTextLight,
-    generateImage,
     handleImageWithKontextPro
   } from './util'
   import { useI18n } from 'vue-i18n'

src/components/assistant/util.ts

@@ -463,7 +463,6 @@ export async function generateImage(options: {
 export async function handleImageWithKontextPro(
   prompt: string, 
   imageBase64: string, 
-  signal?: AbortSignal,
   options: Record<string, any> = {}
 ) {
   console.log('进入handleImageWithKontextPro函数')