fix(ui): remove duplicate top header

allstarr/wwwroot/index.html

@@ -95,11 +95,6 @@
             </aside>
 
             <main class="app-main">
-                <header class="app-header">
-                    <h1><a class="title-link" href="https://github.com/SoPat712/allstarr" target="_blank"
-                            rel="noopener noreferrer">Allstarr</a></h1>
-                </header>
-
                 <div class="tabs top-tabs" aria-hidden="true">
                     <div class="tab active" data-tab="dashboard">Dashboard</div>
                     <div class="tab" data-tab="jellyfin-playlists">Link Playlists</div>

allstarr/wwwroot/styles.css

@@ -253,15 +253,6 @@ body {
     min-width: 0;
 }
 
-.app-header {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    padding: 12px 0 16px;
-    border-bottom: 1px solid var(--border);
-    margin-bottom: 18px;
-}
-
 .top-tabs,
 .tabs.top-tabs {
     display: none !important;
@@ -276,15 +267,6 @@ body {
     text-align: center;
 }
 
-header {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    padding: 20px 0;
-    border-bottom: 1px solid var(--border);
-    margin-bottom: 30px;
-}
-
 .auth-user {
     color: var(--text-secondary);
     font-size: 0.85rem;