Fix toast notifications

Remove all toast notifications from the application.

Author: lovable-dev[bot]

src/App.tsx

@@ -2,7 +2,6 @@
 import { Suspense, lazy } from 'react';
 import { BrowserRouter as Router, Routes, Route } from 'react-router-dom';
 import { AuthProvider } from '@/contexts/AuthContext';
-import { Toaster } from '@/components/ui/toaster';
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
 import { Helmet, HelmetProvider } from 'react-helmet-async';
 import { CookieBanner } from '@/components/CookieBanner';
@@ -89,7 +88,6 @@ function App() {
                 </Suspense>
 
                 <CookieBanner />
-                <Toaster />
               </div>
             </Router>
           </AuthProvider>

src/components/ui/toaster.tsx

@@ -9,25 +9,6 @@ import {
 } from "@/components/ui/toast"
 
 export function Toaster() {
-  const { toasts } = useToast()
-
-  return (
-    <ToastProvider>
-      {toasts.map(function ({ id, title, description, action, ...props }) {
-        return (
-          <Toast key={id} {...props}>
-            <div className="grid gap-1">
-              {title && <ToastTitle>{title}</ToastTitle>}
-              {description && (
-                <ToastDescription>{description}</ToastDescription>
-              )}
-            </div>
-            {action}
-            <ToastClose />
-          </Toast>
-        )
-      })}
-      <ToastViewport />
-    </ToastProvider>
-  )
+  // Toaster désactivé - plus de notifications toast
+  return null;
 }