config: remove now-unused support for "includepaths"
This effectively undoes 081b08e4ea13 (templater: look for mapfiles in
template paths, 2015-05-15).
Differential Revision: https://phab.mercurial-scm.org/D8793
# 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