GPU Calc: remove CL_QUEUE_THREAD_HANDLE_AMD query

Use of this extension is not recommended even by AMD.
See also:

http://devgurus.amd.com/message/1300769#1300769

for details.

Change-Id: I05bf2903a79c83e1de3cdfe23c713b8a0e7d35f9

sc/source/core/opencl/openclwrapper.cxx

@@ -675,10 +675,6 @@ int OpenclDevice::initOpenclRunEnv( GPUEnv *gpuInfo )
 
         CHECK_OPENCL(clStatus, "clCreateCommandQueue");
     }
-#if 0
-    clStatus = clGetCommandQueueInfo( gpuInfo->mpCmdQueue, CL_QUEUE_THREAD_HANDLE_AMD, 0, NULL, NULL );
-    CHECK_OPENCL(clStatus, "clGetCommandQueueInfo");
-#endif
     bool bKhrFp64 = false;
     bool bAmdFp64 = false;