tools: change editorconfig's 'ignore' to 'unset'
According to https://editorconfig.org/#supported-properties the canonical way to disable a property is to set it to 'unset'. We did use 'ignore' and this generally works because tools ignore unknown values but some of them like eclint
are picky on it.
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
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