Removing unused stuff in Distribution.Compat.Env
Merge pull request #1169 from benmachine/unused-env

Removing unused stuff in Distribution.Compat.Env
Remove now-unused runTests.sh

Broken by 481c42147e6749f5d5918de950a7ae194cb437f1 back in 2008, and no
longer necessary.
Merge pull request #1172 from benmachine/bitrot

Remove now-unused runTests.sh