Remove unused code and refactor types importing

src/routes/photos.svelte

@@ -6,8 +6,7 @@
     import { quartOut } from 'svelte/easing'
     import dayjs from 'dayjs'
     import relativeTime from 'dayjs/plugin/relativeTime.js'
-    import anime from 'animejs'
-    import type { AnimeTimelineInstance } from 'animejs'
+    import anime, { type AnimeTimelineInstance } from 'animejs'
     import { fetchAPI } from '$utils/api'
     import { map, lerp, throttle } from '$utils/functions'
     // Components
@@ -262,7 +261,7 @@
         })
 
         // Photos MutationObserver
-        mutationPhotos = new MutationObserver((mutationsList, observer) => {
+        mutationPhotos = new MutationObserver((mutationsList) => {
             for (const mutation of mutationsList) {
                 // When adding new childs
                 if (mutation.type === 'childList') {