remove IPython reprs

Change-Id: I474c76c1e73d7a92a653932d1984c02de7e3b71a

Author: MarkDaoust

google/generativeai/vision_models/_vision_models.py

@@ -114,12 +114,6 @@ def show(self):
         if PIL_Image and IPython_display:
             IPython_display.display(self._pil_image)
 
-    def _repr_jpeg(self):
-        return self._pil_image._repr_jpeg()
-
-    def _repr_png(self):
-        return self._pil_image._repr_png()
-
     def save(self, location: str):
         """Saves image to a file.