Three images are RGB instead of RGBA

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The following three images are RGB instead of RGBA. This is not a big issue because most of the images are fine, but removing/replacing them might still be a good idea so people are not sad if their script crashes because of incompatible shapes after 2 hours.

• https://huggingface.co/datasets/OneOverZero/MAGICK/blob/main/images/ef/efQxxRVrso.png
• https://huggingface.co/datasets/OneOverZero/MAGICK/blob/main/images/fo/foaqUpjgJ2.png
• https://huggingface.co/datasets/OneOverZero/MAGICK/blob/main/images/wY/wYSmG88Z04.png