Added a method for the DMD fix to an issue with delete that was uncovered while working on D-Programming-Language/druntime#864
Merge pull request #907 from Orvid/deleteStructs

DRuntime Change for DMD#3727
remove workarounds for resolved issue 13049 and 13050
Merge pull request #917 from MartinNowak/removeWorkarounds

remove workarounds for resolved issue 13049 and 13050