Dead Spider Sprite Fix (#4585)

# About the pull request

Dead spiders had white pixels where there should be transparent pixels.

# Explain why it's good for the game

Sprite bug fix gud


# Testing Photographs and Procedure
<details>
<summary>Screenshots & Videos</summary>

Put screenshots and videos here with an empty line between the
screenshots and the `<details>` tags.

</details>


# Changelog

:cl:
fix: fixed spider dead sprite to not have white space (is transparent
instead)
/:cl: