Refactor: Update brand name and dynamic titles

Consistently use "Oscar Pool" as the brand name. Dynamically update page titles to include the active Oscar year.

Co-authored-by: mathieumoran1 <[email protected]>

public/player.html

@@ -5,7 +5,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <!-- IMPORTANT: the player may use ?token=... for cross-origin video streaming -->
   <meta name="referrer" content="no-referrer" />
-  <title>Player</title>
+  <title>Oscar Pool</title>
   <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
   <link href="./css/app.css" rel="stylesheet">
   <link rel="preload" as="image" href="img/logo_w.png">
@@ -120,7 +120,6 @@
           <a id="admin-control-link" href="control.html" class="nav-link btn btn-warning me-2 d-none">Admin</a>
         </div>
         <div class="d-flex ms-auto mt-2 mt-lg-0 align-items-center gap-2">
-          <a id="open-original" class="btn btn-outline-light btn-sm d-none" target="_blank" rel="noopener noreferrer">Open original</a>
           <span id="user-name" class="navbar-text me-1"></span>
           <button id="log-off" class="btn btn-danger btn-sm">Déconnexion</button>
         </div>