fix: enable VAE decode tiling fallback without auto-fit (#1932)

src/pipeline/diffusion_engine.cpp

@@ -2621,7 +2621,6 @@ sd::Tensor<float> StableDiffusionGGML::decode_first_stage(const sd::Tensor<float
     auto decoded                      = first_stage_model->decode(n_threads, latents, vae_tiling_params, decode_video, circular_x, circular_y);
     const bool prefer_temporal_tiling = decode_video && first_stage_model->can_temporal_tile_decode();
     while (decoded.empty() &&
-           auto_fit_enabled &&
            sd::backend_fit::prepare_vae_decode_retry_tiling(vae_tiling_params, prefer_temporal_tiling)) {
         decoded = first_stage_model->decode(n_threads, latents, vae_tiling_params, decode_video, circular_x, circular_y);
     }