config: remove pycompat.bytestr() for defaultvalue
This is a follow-up patch to
51a2e3102db2. This removes
`pycompat.bytestr` to preserve `None` in `commands.config()`.
Differential Revision: https://phab.mercurial-scm.org/D6712
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true
[*.t]
indent_size = 2
indent_style = space
trim_trailing_whitespace = false