cogs.steamworks,cogs.webhooks: Fix formatting

[prgmitchell]

Description

Remove extra blank lines to fix the linting errors

Motivation and Context

CI failed on my last PR, unrelated just existing issues in the repo

How Has This Been Tested?

Black lint doesn't fail anymore

Types of changes

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• I have read the contributing document.
• My code has been run through clang-format.
• My code follows the project's style guidelines
• My code is not on the master branch.
• My code has been tested.
• All commit messages are properly formatted and commits squashed where appropriate.
• I have included updates to all appropriate documentation.