sync: minor refactors

Notesnook.API/Services/UserService.cs

@@ -182,6 +182,7 @@ namespace Notesnook.API.Services
 
         public async Task DeleteUserAsync(string userId)
         {
+            logger.LogInformation("Deleting user {UserId}", userId);
             var cc = new CancellationTokenSource();
 
             Repositories.Notes.DeleteByUserId(userId);