Revert "- Adds sentinels to mitigate the risk of renaming a file that may no longer be there."
Revert "- Adds sentinels to mitigate the risk of renaming a file that may no longer be there."

This reverts commit baa808dcfd274b6667a7eee7b20ae25f61d6fe9b.

labster/rakudo,labster/rakudo,salortiz/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,tony-o/rakudo,rakudo/rakudo,labster/rakudo,rakudo/rakudo,tbrowder/rakudo,tony-o/rakudo,labster/rakudo,tony-o/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,rakudo/rakudo,labster/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,salortiz/rakudo,tbrowder/rakudo,rakudo/rakudo,tony-o/rakudo,tbrowder/rakudo,rakudo/rakudo,salortiz/rakudo,salortiz/rakudo,tony-o/rakudo,tony-o/rakudo,salortiz/rakudo,labster/rakudo,salortiz/rakudo,rakudo/rakudo