Revert "[MS] Emit S_HEAPALLOCSITE debug info" because of ToTWin64(db)

buildbot failure.

This reverts commit d07d6d617713bececf57f3547434dd52f0f13f9e and
c774f687b6880484a126ed3e3d737e74c926f0ae.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@359034 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGDebugInfo.cpp

@@ -1969,6 +1969,7 @@ void CGDebugInfo::addHeapAllocSiteMetadata(llvm::Instruction *CI,
     QualType PointeeTy = D.getTypePtr()->getPointeeType();
     node = getOrCreateType(PointeeTy, getOrCreateFile(Loc));
   }
+
   CI->setMetadata("heapallocsite", node);
 }