refactor: remove custom sigit cache page and links

src/pages/settings/Settings.tsx

@@ -1,6 +1,5 @@
 import AccountCircleIcon from '@mui/icons-material/AccountCircle'
 import ArrowForwardIosIcon from '@mui/icons-material/ArrowForwardIos'
-import CachedIcon from '@mui/icons-material/Cached'
 import RouterIcon from '@mui/icons-material/Router'
 import { ListItem, useTheme } from '@mui/material'
 import List from '@mui/material/List'
@@ -74,12 +73,6 @@ export const SettingsPage = () => {
             </ListItemIcon>
             {listItem('Relays')}
           </ListItem>
-          <ListItem component={Link} to={appPrivateRoutes.cacheSettings}>
-            <ListItemIcon>
-              <CachedIcon />
-            </ListItemIcon>
-            {listItem('Local Cache')}
-          </ListItem>
           {loginMethod === LoginMethod.nostrLogin && (
             <ListItem component={Link} to={appPrivateRoutes.nostrLogin}>
               <ListItemIcon>

src/routes/index.tsx

@@ -6,7 +6,6 @@ export const appPrivateRoutes = {
   sign: '/sign',
   settings: '/settings',
   profileSettings: '/settings/profile/:npub',
-  cacheSettings: '/settings/cache',
   relays: '/settings/relays',
   nostrLogin: '/settings/nostrLogin'
 }