Fix title for emscripten loading page

src/emscripten/shell.html

@@ -6,7 +6,7 @@
     <meta name="description" content="Cardinal" />
     <meta name="theme-color" content="#111111">
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1" user-scalable="no">
-    <title>Cardinal Synth</title>
+    <title>Cardinal</title>
     <style>
       html {
         background-color: #111111;