* Correct `LAYOUT_all` data
Corrects incorrect key sizes and positioning.
* Correct `LAYOUT_tkl_ansi_tsangan` data
Corrects incorrect matrix assignments on the bottom row.
* Correct `LAYOUT_tkl_ansi_tsangan_split_bs_rshift` data
Corrects incorrect matrix assignments on the bottom row.
* Set `LAYOUT_all` as an alias
Sets `LAYOUT_all` as an alias for
`LAYOUT_tkl_ansi_tsangan_split_bs_rshift`, because the layout and matrix
data for these two macros is identical.