Remove React plugin to fix RefreshRuntime double declaration

- Removed @vitejs/plugin-react import and usage
- Remix handles React integration, no need for separate plugin
- Fixes 'RefreshRuntime has already been declared' error

vite.config.ts

@@ -5,7 +5,6 @@ import { nodePolyfills } from 'vite-plugin-node-polyfills';
 import { optimizeCssModules } from 'vite-plugin-optimize-css-modules';
 import tsconfigPaths from 'vite-tsconfig-paths';
 import * as dotenv from 'dotenv';
-import react from '@vitejs/plugin-react';
 import { execSync } from 'child_process';
 import { readFileSync } from 'fs';
 import { join } from 'path';
@@ -119,7 +118,6 @@ export default defineConfig((config) => {
       },
     },
     plugins: [
-      react(),
       nodePolyfills({
         include: ['buffer', 'process', 'util', 'stream'],
         globals: {