fix: adjust BrandLogo dimensions and remove unused login device card from LoginPage

frontend/src/components/BrandLogo.jsx

@@ -1,5 +1,5 @@
 import logo from '../assets/logo-with-text.svg';
 
 export default function BrandLogo({ className = '' }) {
-  return <img src={logo} alt="RideBus" width="168" height="34" className={`brand-logo ${className}`} />;
+  return <img src={logo} alt="RideBus" width="125" height="34" className={`brand-logo ${className}`} />;
 }

frontend/src/pages/LoginPage.jsx

@@ -175,11 +175,6 @@ export default function LoginPage() {
           )}
         </section>
 
-        <aside className="login-device-card">
-          <img src={devicesIllustration} alt="" />
-          <p>Вход в служебных приложениях.</p>
-        </aside>
-
         <footer className="login-footer">
           <p>RideBus DE · Административная панель</p>
           <p>Версия 1.0.0</p>