Remove logging of refresh token attempts

The logging statement `_logger.LogInformation("Refresh attempt for {RefreshToken}", request.RefreshToken);` has been removed from the `Refresh` method in the `AuthController` class. This change reduces logging verbosity and helps avoid logging sensitive information such as refresh tokens.

Sources/Octockup.Server/Controllers/AuthController.cs

@@ -17,7 +17,6 @@ public class AuthController(ILogger<AuthController> _logger, ITokenProvider _tok
         [HttpPost(nameof(Refresh))]
         public async Task<IActionResult> Refresh([FromBody] RefreshRequest request)
         {
-            _logger.LogInformation("Refresh attempt for {RefreshToken}", request.RefreshToken);
             bool isValid = _tokenProvider.ValidateToken(request.RefreshToken);
             if (!isValid)
             {