Do not change the network override from within the repository

shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/repository/RepositoryImpl.kt

@@ -333,7 +333,6 @@ class Repository(private val api: SelfossApi, private val apiDetails: ApiDetails
 
     suspend fun updateRemote(): Boolean {
         var response = false
-        offlineOverride = false
         if (isConnectionAvailable.value) {
             response = api.update()?.isSuccess == true
         }