tests: drop an unnecessary redirect to /dev/null
This eliminates the need to conditionalize the color output, because NUL on
Windows is a tty. Credit to Yuya for recognizing this.
# 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