Revert "stable null safety release (dart-lang/test_reflective_loader#31)" (dart-lang/test_reflective_loader#32)

This reverts commit 0b72f1c2d2b2d490fdeb29410dd63e49f47e1034.
2 files changed
tree: 9e30035e6ee40dfda25fcf51346a5aa372f2e836
  1. pkgs/