[NFC][AMDGPU] Remove redundant code in AMDGPUAsmPrinter.cpp

Author: shiltian

llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp

@@ -1594,9 +1594,6 @@ void AMDGPUAsmPrinter::getAmdKernelCode(AMDGPUMCKernelCodeT &Out,
   if (UserSGPRInfo.hasPrivateSegmentSize())
     Out.code_properties |= AMD_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_SIZE;
 
-  if (UserSGPRInfo.hasDispatchPtr())
-    Out.code_properties |= AMD_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_PTR;
-
   if (STM.isXNACKEnabled())
     Out.code_properties |= AMD_CODE_PROPERTY_IS_XNACK_SUPPORTED;