Revert "Disable NetBSD tests until 'undefined reference to stdout' is solved."

This reverts commit 21a1ddfbae92fb78bf536f4047016d0001b76cc2.

.github/workflows/ci.yml

@@ -31,6 +31,10 @@ jobs:
           ./odin version
           ./odin report
           ./odin check examples/all -vet -strict-style -target:netbsd_amd64
+          (cd tests/core; gmake all_bsd)
+          (cd tests/internal; gmake all_bsd)
+          (cd tests/issues; ./run.sh)
+          (cd tests/benchmark; gmake all)
   build_linux:
     name: Ubuntu Build, Check, and Test
     runs-on: ubuntu-latest