fix: remove CheckoutSuccessToast component and its usage in SettingsPage for cleaner settings interface

app/settings/page.tsx

@@ -1,6 +1,4 @@
-import { Suspense } from 'react'
 import ProfileSettings from '@/components/settings/ProfileSettings'
-import CheckoutSuccessToast from '@/components/checkout/CheckoutSuccessToast'
 
 export const metadata = {
   title: 'Settings - Pulse',
@@ -10,9 +8,6 @@ export const metadata = {
 export default function SettingsPage() {
   return (
     <div className="min-h-screen pt-12 pb-12 px-4 sm:px-6">
-      <Suspense fallback={null}>
-        <CheckoutSuccessToast />
-      </Suspense>
       <ProfileSettings />
     </div>
   )

components/checkout/CheckoutSuccessToast.tsx

@@ -1,26 +0,0 @@
-'use client'
-
-import { useEffect } from 'react'
-import { useSearchParams } from 'next/navigation'
-import { toast } from '@ciphera-net/ui'
-
-/**
- * Shows a success toast when redirected from Stripe Checkout with success=true,
- * then clears the query params from the URL.
- */
-export default function CheckoutSuccessToast() {
-  const searchParams = useSearchParams()
-
-  useEffect(() => {
-    const success = searchParams.get('success')
-    if (success === 'true') {
-      toast.success('Thank you for subscribing! Your subscription is now active.')
-      const url = new URL(window.location.href)
-      url.searchParams.delete('success')
-      url.searchParams.delete('session_id')
-      window.history.replaceState({}, '', url.pathname + url.search)
-    }
-  }, [searchParams])
-
-  return null
-}