Removed unused vars

src/App.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useMemo, useState } from 'react';
+import { useEffect, useMemo } from 'react';
 import {
   useLocation,
   Switch,

src/components/Log/Canvas.tsx

@@ -90,7 +90,6 @@ const Canvas = ({ data }: { data: LogEntry[] }) => {
   }, [data, zoom, pan, indicatorPos]);
 
   const onWheel = (e: WheelEvent) => {
-    const canvas = canvasRef.current!;
     const leftBoundary = 0;
 
     if (Math.abs(e.deltaY) > Math.abs(e.deltaX)) {