feat(home): tirar o selo 'com demonstracao online' do hero

O lugar passa a ser da contagem de projetos desenvolvidos do GitHub.

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>

app/components/Hero.test.tsx

@@ -90,6 +90,7 @@ describe("Hero", () => {
     expect(screen.getByText("65")).toBeInTheDocument();
     expect(screen.getByText("25 públicos · 43 privados")).toBeInTheDocument();
     expect(screen.queryByText(/projetos publicados/i)).not.toBeInTheDocument();
+    expect(screen.queryByText(/demonstração online/i)).not.toBeInTheDocument();
   });
 
   it("rounds the repo count down so 'mais de' is always true", () => {