[libomptarget] Remove stale omp handle

This was never used in the upstream compiler and was responsible
for some problems with reductions in the clang-ykt fork.

Differential Revision: https://reviews.llvm.org/D39553

llvm-svn: 317214

openmp/libomptarget/src/omptarget.cpp

@@ -2200,9 +2200,6 @@ static int target(int32_t device_id, void *host_ptr, int32_t arg_num,
     tgt_args.push_back(TgtPtrBegin);
     tgt_offsets.push_back(TgtBaseOffset);
   }
-  // Push omp handle.
-  tgt_args.push_back((void *)0);
-  tgt_offsets.push_back(0);
 
   assert(tgt_args.size() == tgt_offsets.size() &&
       "Size mismatch in arguments and offsets");