Remove outdated VideoInput import in processing_sarashina2_vision.py

`VideoInput` is not in `transformers.image_utils` anymore. Based on the processor file, sarashina doesn't accept video input. Thus, this PR removes this outdated import.

processing_sarashina2_vision.py

@@ -38,7 +38,6 @@ from transformers.image_transforms import (
 from transformers.image_utils import (
     ChannelDimension,
     ImageInput,
-    VideoInput,
     get_image_size,
     infer_channel_dimension_format,
     is_scaled_image,
@@ -98,7 +97,7 @@ class GenerationStopper(StoppingCriteria):
 class Sarashina2VisionImageProcessor(Qwen2VLImageProcessor):
     def _preprocess(
         self,
-        images: Union[ImageInput, VideoInput],
+        images: Union[ImageInput],
         do_resize: bool = None,
         resample: Image.Resampling = None,
         do_rescale: bool = None,