Remove unnecessary settings

frontend/src/App.scss

@@ -1,6 +1,6 @@
 // Variables
 $padding: 20px;
-$navbar-height: 64px; // Adjust this value based on your preference
+$navbar-height: 64px;
 
 .custom-navbar {
   display: flex;

frontend/src/components/Settings.js

@@ -3,7 +3,6 @@ import { Modal, Text, Toggle, Tooltip, Input, Spacer, Button, useTheme } from '@
 
 const Settings = ({ visible, onClose, currentTheme, onThemeChange, onSettingsChange }) => {
   const theme = useTheme();
-  const [fontSize, setFontSize] = useState('14');
   const [autoSave, setAutoSave] = useState(false);
 
   const handleSubmit = () => {