undo-files: move the undo cleanup code in the transaction module
Now that undo creation is gathered in the transaction module, let us move the code cleaning them up there too.
This will be useful to better clean previous undo files up before creating new
ones.
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
end_of_line = lf
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true
end_of_line = lf
[*.t]
indent_size = 2
indent_style = space
trim_trailing_whitespace = false
end_of_line = lf