refactor: Remove unused imports and variables

Author: baync180705

src/components/Equalizers.jsx

@@ -1,4 +1,4 @@
-import { useState, useEffect } from 'react';
+import { useState } from 'react';
 import Display from './Display';
 
 /**

src/hooks/useCanvasDrawing.js

@@ -58,7 +58,6 @@ const useCanvasDrawing = (canvasRef, { wasmModule, width, height, nodes, xRange,
                 const endNode = nodes[i + 1];
                 const shape = curves[i] !== undefined ? curves[i] : 0;
 
-                const startPoint = getCanvasPoint(startNode);
 
                 const segments = 100;
                 for (let j = 1; j <= segments; j++) {

src/hooks/useCanvasInteraction.js

@@ -6,7 +6,7 @@ const style = {
     shapeSpeed: 0.1,
 };
 
-const useCanvasInteraction = (canvasRef, { width, height, nodes, xRange, curves, onNodesChange, onCurvesChange, isLogarithmic }) => {
+const useCanvasInteraction = (canvasRef, { width, height, nodes, xRange, onNodesChange, onCurvesChange, isLogarithmic }) => {
     const [draggingNodeIndex, setDraggingNodeIndex] = useState(null);
     const logXRange = [Math.log(xRange[0]), Math.log(xRange[1])];