Y&R Studio NZ67v2 Layout Refactor (#18724)

* info.json: apply friendly formatting

* nz67v2.h: use ____ for KC_NO

* nz67v2.h: add matrix diagram

* add LAYOUT_all

Same matrix as `LAYOUT`, but physically arranged to mimic the keyboard layout.

Rotary encoder positions move from the bottom row to the top row.

* refactor keymaps to use LAYOUT_all macro

* info.json: add LAYOUT_all data

* remove LAYOUT macro

Now unused.

* add LAYOUT_65_ansi_blocker

* add LAYOUT_65_ansi_blocker_split_space

* remove dead space from layouts

Remove empty space from `LAYOUT_65_ansi_blocker` and `LAYOUT_65_ansi_blocker_split_space` layouts.

Author: noroadsleft