[Open Assets] Hammer Jump Styles v2+

Some bugfixes, code unoptimization, fixes, etc.

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Changelog 1.2
- Fixed bug where dying during a Hammer Jump would not display the DEATH animation.
- Fixed bug where Hammer Jump animation would not work while in reverse gravity.
- Amy can no longer Hammer Jump while in "Thokked" state

Known Issues
- Hammer Jump animation does not display correctly in reverse gravity.

Changelog 1.1
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Increased Hammer Jump's power. (14 -> 16)
Added the ability to hit enemies while spinning.
Removed pointless P_SKIN file.
Updated SOC file.

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NOTE: I have removed the other styles due to redundancy, and mainly lack of polish. They are still available in the history tab however.

Advance Style - Uses Custom 1 to Hammer Jump, this is styled after how it works in Sonic Advance.

SRB2 Style - Uses Jump after landing with the Hammer Attack to Hammer Jump.

Adventure Style - Uses Spin while running to Hammer Jump, this is styled after how it works in Sonic Adventure.