Fix info.json for Suihankey

[fauxpark]

Description

"Error: suihankey/split: LAYOUT: Number of elements in info.json does not match! info.json:18 != LAYOUT:36"
"Error: suihankey/split/alpha: LAYOUT: Number of elements in info.json does not match! info.json:18 != LAYOUT:36"
"Error: suihankey/split/rev1: LAYOUT: Number of elements in info.json does not match! info.json:18 != LAYOUT:36"

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• Keyboard (addition or update)
• Keymap/layout/userspace (addition or update)
• Documentation

Issues Fixed or Closed by This PR

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• I have tested the changes and verified that they work and don't break anything (as well as I can manage).

[noroadsleft]

Thanks!