Remove local-account hint from the NETX login page.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/i18n/en.ts

@@ -441,7 +441,6 @@ const en = {
   },
   auth: {
     loginTitle: "Sign in to NETX",
-    loginHint: "Use a local account to access the ops platform",
     username: "Username",
     password: "Password",
     login: "Sign in",

web/src/i18n/zh.ts

@@ -438,7 +438,6 @@ const zh = {
   },
   auth: {
     loginTitle: "登录 NETX",
-    loginHint: "使用本地账号访问运维平台",
     username: "用户名",
     password: "密码",
     login: "登录",

web/src/pages/LoginPage.tsx

@@ -35,7 +35,6 @@ export function LoginPage() {
       <form className="login-card" onSubmit={(e) => void onSubmit(e)}>
         <div className="login-card__brand">NETX</div>
         <h1 className="login-card__title">{t("auth.loginTitle")}</h1>
-        <p className="login-card__hint">{t("auth.loginHint")}</p>
         <label className="login-card__label">
           {t("auth.username")}
           <input