nofib tests fail on Windows due to different EOL convention in output files

Fixed in 307ae61121a99f6ffd3d5fa56e5d37b1b91a492b

This allows nofib to run on Windows using `msys`.

Also deprecates the old `cygwin` stuff.

Test Plan: make clean && make

Reviewers: bgamari

Reviewed By: bgamari

Subscribers: RyanGlScott, #ghc_windows_task_force

Differential Revision: https://phabricator.haskell.org/D3030

Edited Mar 10, 2019 by Tamar Christina

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nofib tests fail on Windows due to different EOL convention in output files