refactor(frontend): remove dead code

frontend/src/components/video/PlaybackSlider.tsx

@@ -1,52 +1,37 @@
-import {useEffect} from "react";
-import clsx from 'clsx';
+import { useEffect, type Dispatch, type SetStateAction } from "react";
 import type { VideoMetadata } from "../../utils/types.ts";
 
 type Props = {
     videoRef: HTMLVideoElement | null;
     videoMetadata: VideoMetadata;
     sliderValue: number;
-    setSliderValue: Function;
+    setSliderValue: Dispatch<SetStateAction<number>>;
     className?: string;
 };
 
-export default function PlaybackSlider({videoRef,
-                                           videoMetadata,
-                                           sliderValue,
-                                           setSliderValue,
-                                           className}: Props) {
-
+export default function PlaybackSlider({ videoRef, videoMetadata, sliderValue, setSliderValue, className }: Props) {
     const updateVideo = (e: React.ChangeEvent<HTMLInputElement>) => {
         if (!videoRef) return;
-
         videoRef.currentTime = e.target.valueAsNumber;
         setSliderValue(e.target.valueAsNumber);
-    }
+    };
 
-    // update slider
     useEffect(() => {
         if (!videoRef) return;
-
-        const updateSlider = () => {
-            setSliderValue(videoRef.currentTime);
-        };
-
+        const updateSlider = () => setSliderValue(videoRef.currentTime);
         videoRef.addEventListener("timeupdate", updateSlider);
-
-        return () => {
-            videoRef.removeEventListener("timeupdate", updateSlider);
-        };
+        return () => videoRef.removeEventListener("timeupdate", updateSlider);
     }, [videoRef]);
 
     return (
         <input
-            type={"range"}
+            type="range"
             min={0}
             max={videoMetadata.duration}
             value={sliderValue}
             onChange={updateVideo}
             step={0.1}
-            className={clsx(className)}
+            className={className}
         />
-    )
-}
+    );
+}