automation: drop support for Python 2.7 in Windows environment We stop installing Python 2.7 in the Windows environment. We remove support for building Python 2.7 wheels and installers. There is still some Python 2.7 support cleanup to perform in automation. But this removes the biggest remaining chunk of references to 2.7. Differential Revision: https://phab.mercurial-scm.org/D12263

# See http://EditorConfig.org for the specification

root = true

[*.py]
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indent_style = space
trim_trailing_whitespace = true
end_of_line = lf

[*.{c,h}]
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trim_trailing_whitespace = true
end_of_line = lf

[*.t]
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indent_style = space
trim_trailing_whitespace = false
end_of_line = lf