feat: remove background migration

src/SEQTA.ts

@@ -38,7 +38,6 @@ import documentLoadCSS from '@/css/documentload.scss?inline'
 import renderSvelte from '@/interface/main'
 import Settings from '@/interface/pages/settings.svelte'
 import { settingsPopup } from './interface/hooks/SettingsPopup'
-import { migrateBackgrounds } from './seqta/utils/migrateBackgrounds'
 
 let SettingsClicked = false
 export let MenuOptionsOpen = false
@@ -546,10 +545,7 @@ export async function finishLoad() {
 
   if (settingsState.justupdated && !document.getElementById('whatsnewbk')) {
     OpenWhatsNewPopup();
-
-    /* Background Migration script */
   }
-  migrateBackgrounds();
 }
 
 async function DeleteWhatsNew() {