Revert "feat(notificacoes): página de notificações com badge na sidebar"

This reverts commit dea4f54.

Author: RenataDimasTome

src/frontend/src/App.jsx

@@ -9,7 +9,6 @@ import ResetPassword from "./pages/ResetPassword";
 import { isAuthenticated } from "./services/authService";
 import Dashboard from "./pages/Dashboard";
 import Emprestimos from "./pages/Emprestimos";
-import Notificacoes from "./pages/Notificacoes";
 
 export default function App() {
   const location = useLocation();
@@ -57,10 +56,6 @@ export default function App() {
             path="/emprestimos"
             element={authenticated ? <Emprestimos /> : <Navigate to="/login" replace />}
           />
-          <Route
-            path="/notificacoes"
-            element={authenticated ? <Notificacoes /> : <Navigate to="/login" replace />}
-          />
           {/* <Route path="/configuracoes" element={<Configuracoes />} /> */}
         </Routes>
       </div>

src/frontend/src/components/Sidebar.jsx

@@ -1,21 +1,17 @@
-import { useEffect, useState } from "react";
 import { useLocation, useNavigate } from "react-router-dom";
 import { getUsuarioLogado, logout } from "../services/authService";
-import { getNotificacoes } from "../services/NotificacoesService";
 
 const navItems = [
-  { icon: "📊", label: "Dashboard",     path: "/dashboard"     },
-  { icon: "👥", label: "Clientes",      path: "/clientes"      },
-  { icon: "💳", label: "Empréstimos",   path: "/emprestimos"   },
-  { icon: "📈", label: "Relatórios",    path: "/relatorios"    },
-  { icon: "🔔", label: "Notificações",  path: "/notificacoes"  },
+  { icon: "📊", label: "Dashboard",    path: "/dashboard"    },
+  { icon: "👥", label: "Clientes",     path: "/clientes"     },
+  { icon: "💳", label: "Empréstimos",  path: "/emprestimos"  },
+  { icon: "📈", label: "Relatórios",   path: "/relatorios"   },
   { icon: "⚙️", label: "Configurações", path: "/configuracoes" },
 ];
 
 export default function Sidebar() {
   const location = useLocation();
   const navigate = useNavigate();
-  const [naoLidas, setNaoLidas] = useState(0);
 
   const usuario = getUsuarioLogado();
   const user = {
@@ -24,13 +20,6 @@ export default function Sidebar() {
     email:    usuario?.email ?? "",
   };
 
-  useEffect(() => {
-    if (!usuario?.nome) return;
-    getNotificacoes(usuario.nome)
-      .then((lista) => setNaoLidas(Array.isArray(lista) ? lista.filter((n) => !n.lida).length : 0))
-      .catch(() => {});
-  }, [usuario?.nome]);
-
   function handleLogout() {
     logout();
     navigate("/login");
@@ -64,9 +53,6 @@ export default function Sidebar() {
               }}>
                 {item.label}
               </span>
-              {item.path === "/notificacoes" && naoLidas > 0 && (
-                <span style={styles.notifBadge}>{naoLidas}</span>
-              )}
             </button>
           );
         })}
@@ -211,15 +197,6 @@ const styles = {
     overflow: "hidden",
     textOverflow: "ellipsis",
   },
-  notifBadge: {
-    marginLeft: "auto",
-    background: "#7C3AED",
-    color: "#fff",
-    borderRadius: 20,
-    padding: "1px 7px",
-    fontSize: 11,
-    fontWeight: 700,
-  },
   logoutBtn: {
     width: "100%",
     padding: "8px",