Remove a few raw pointers, correct some signatures, remove some unnecessary handles(). (#11211)
* Mark AddRefInternal as NOHANDLES(). Its signature was incorrect.
* Change ves_icall_System_Runtime_InteropServices_Marshal_ReleaseInternal to NOHANDLES.
* Mark ves_icall_System_Runtime_InteropServices_Marshal_QueryInterfaceInternal NOHANDLES.
* ves_icall_System_Runtime_InteropServices_Marshal_BufferToBSTR to nohandles().
* ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR to nohandles().
* ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal nohandles().
* ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem nohandles().
* Fix the signature of ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMemSize.
* [coop] Remove most uses of out_of_memory_ex.