Fix load of z-image-turbo (#9264)

* Fix load of z-image and improve speed

Signed-off-by: thelittlefireman <5165783+thelittlefireman@users.noreply.github.com>

* Remove diffusion_flash_attn from z-image-ggml.yaml

Removed 'diffusion_flash_attn' parameter from configuration.

Signed-off-by: thelittlefireman <5165783+thelittlefireman@users.noreply.github.com>

---------

Signed-off-by: thelittlefireman <5165783+thelittlefireman@users.noreply.github.com>

Author: thelittlefireman

gallery/z-image-ggml.yaml

@@ -11,5 +11,5 @@ config_file: |
       - vae_path:ae.safetensors
       - offload_params_to_cpu:true
   parameters:
-      model: z_image_turbo-Q4_K.gguf
+      model: z_image_turbo-Q4_0.gguf
   step: 25