fix: remove unused variable

Author: MatteoGabriele

app/components/Header/MobileMenu.client.vue

@@ -4,7 +4,7 @@ import { useAtproto } from '~/composables/atproto/useAtproto'
 
 const isOpen = defineModel<boolean>('open', { default: false })
 
-const { isConnected, npmUser, avatar: npmAvatar } = useConnector()
+const { isConnected, npmUser } = useConnector()
 const { user: atprotoUser } = useAtproto()
 
 const navRef = useTemplateRef('navRef')