tools: refactor .eslintrc.js
tools: edit .eslintrc.js for minor maintainability improvements
* Add a comment explaining the Module._findPath() hacks so that someone
else doesn't do what I do and try to remove them because they seem
unnecessary for `make lint` and friends.
* Add a trailing comma for consistency with the rest of the file.
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
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