Merging r167719 into the 3.2 relase branch

Remove unused field.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_32@168333 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/NVPTX/NVPTXSubtarget.h

@@ -28,7 +28,6 @@ class NVPTXSubtarget : public NVPTXGenSubtargetInfo {
   
   std::string TargetName;
   NVPTX::DrvInterface drvInterface;
-  bool dummy; // For the 'dummy' feature, see NVPTX.td
   bool Is64Bit;
 
   // PTX version x.y is represented as 10*x+y, e.g. 3.1 == 31