refactor: remove schedule from barber data and update navigation icons to use Ionicons

src/context/AppContext.tsx

@@ -441,7 +441,6 @@ export const AppProvider = ({ children }: { children: React.ReactNode }) => {
       shop_id: shopId,
       name: barber.name,
       specialties: barber.specialties,
-      schedule: barber.schedule || [],
       image_url: barber.imageUrl,
     }]);
     if (error) {
@@ -455,7 +454,6 @@ export const AppProvider = ({ children }: { children: React.ReactNode }) => {
     await supabase.from('barbers').update({
       name: barber.name,
       specialties: barber.specialties,
-      schedule: barber.schedule,
       image_url: barber.imageUrl,
     }).eq('id', barber.id);
     await refreshShops();