Rename IntakeGamepieces enum to IntakeGamepiece

[IanTapply22]

Description

Renamed IntakeGamepieces enum to IntakeGamepiece to make more sense grammatically

Fixes #54

Type of change

Please delete options that are not relevant.

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

How Has This Been Tested?

N/A

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation, if any
• My changes generate no new warnings
• I have performed tests that prove my fix is effective or that my feature works, if necessary
• New and existing unit tests pass locally with my changes

[github-actions]

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[colemacphail]

@IanTapply22 I think you put some stuff in this PR you didn't mean to

[IanTapply22]

Nope, this is right. I just set the base branch to the other PR to move the intake states to separate classes so there aren't issues with the PR. Sorry for not letting you know in the description