Remove duplicated imports (huggingface#42689)

Author: AgainstEntropy

src/transformers/models/smolvlm/processing_smolvlm.py

@@ -27,13 +27,6 @@
 from ...video_utils import VideoInput
 
 
-if is_vision_available():
-    from .video_processing_smolvlm import (
-        DEFAULT_MEDIA_OUTTRO,
-        DEFAULT_VIDEO_INTRO,
-        FRAME_TIMESTAMP_MESSAGE,
-    )
-
 if is_vision_available():
     from .video_processing_smolvlm import (
         DEFAULT_MEDIA_OUTTRO,