Remove commented-out exclusion

Author: tomjaguarpaw

.github/workflows/tests.yml

@@ -14,10 +14,6 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         resolver: [nightly, lts-21, lts-20, lts-19, lts-18, lts-17, lts-16, lts-15, lts-14]
-        # Bugs in GHC make it crash too often to be worth running
-        #exclude:
-        #  - os: windows-latest
-        #    resolver: nightly
         # lts-15 on windows-latest says
         #
         # Access violation in generated code when writing 0x0