automation: remove Ubuntu 18.10
It reached end of life on July 18, 2019. I don't think we
should care about supporting it.
Differential Revision: https://phab.mercurial-scm.org/D6912
# 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