Fix error_log complaint about Helix boards

[fauxpark]

Description

"Error: helix/pico: LAYOUT: Number of elements in info.json does not match! info.json:64 != LAYOUT:50"
"Error: helix/pico/back: LAYOUT: Number of elements in info.json does not match! info.json:64 != LAYOUT:50"
"Error: helix/pico/sc: LAYOUT: Number of elements in info.json does not match! info.json:64 != LAYOUT:50"
"Error: helix/pico/sc/back: LAYOUT: Number of elements in info.json does not match! info.json:64 != LAYOUT:50"
"Error: helix/pico/sc/under: LAYOUT: Number of elements in info.json does not match! info.json:64 != LAYOUT:50"
"Error: helix/pico/under: LAYOUT: Number of elements in info.json does not match! info.json:64 != LAYOUT:50"
"Error: helix/rev1: LAYOUT: Number of elements in info.json does not match! info.json:64 != LAYOUT:60"

Also had to shuffle around the layout macros for the rev2 as after the top level info.json was removed, the rev2 info.json and the first layout macro disagreed - the solution was to put the 64-key macro first (and not indent it) because the default HELIX_ROWS is 5. This should let it still work in Configurator.

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).

[fauxpark]

Hm, no, now rev1 is failing and I'm not sure why. its info.json and rev1.h are correct...

[fauxpark]

Seems to be looking in rev2.h first... because it tries DEFAULT_FOLDER.

Finding layouts in file: keyboards/helix/helix.h
Finding layouts in file: keyboards/helix/rev2/rev2.h
WARNING helix/rev1: Falling back to searching for KEYMAP/LAYOUT macros.
Finding layouts in file: keyboards/helix/rev1/config.h
Finding layouts in file: keyboards/helix/rev1/rev1.h
Finding layouts in file: keyboards/helix/rev1/serial_config.h
Finding layouts in file: keyboards/helix/rev1/split_util.h

[fauxpark]

This should be good to merge as is, I think. The error_log will just show a slightly different set of messages until we settle on a solution for #9530.

[Erovia]

What could go wrong...right?