Removed Unused UseEffect in collapse/code.js

Signed-off-by: SplinterSword <sparshj2003@gmail.com>

Author: SplinterSword

src/sections/Projects/Sistent/components/collapse/code.js

@@ -1,4 +1,4 @@
-import React, { useState, useMemo, useEffect } from "react";
+import React, { useState, useMemo } from "react";
 import { Collapse, Button, SistentThemeProvider } from "@sistent/sistent";
 import { SistentLayout } from "../../sistent-layout";
 import TabButton from "../../../../../reusecore/Button";