Remove TLDraw from embed menu as it no longer supports embedding

app/editor/components/CommandMenu.tsx

@@ -427,7 +427,7 @@ class CommandMenu<T = MenuItem> extends React.Component<Props<T>, State> {
     const embedItems: EmbedDescriptor[] = [];
 
     for (const embed of embeds) {
-      if (embed.title) {
+      if (embed.title && embed.visible !== false) {
         embedItems.push(
           new EmbedDescriptor({
             ...embed,

shared/editor/embeds/index.tsx

@@ -353,6 +353,7 @@ const embeds: EmbedDescriptor[] = [
   new EmbedDescriptor({
     title: "Tldraw",
     keywords: "draw schematics diagrams",
+    visible: false,
     icon: () => <Img src="/images/tldraw.png" alt="Tldraw" />,
     component: Tldraw,
   }),