Delete unneeded free

- GPU reset will free all allocated memory

Author: jean-m-cyr

libethash-cuda/CUDAMiner.cpp

@@ -161,9 +161,6 @@ bool CUDAMiner::initEpoch_internal()
         ethash_generate_dag(
             m_epochContext.dagSize, m_settings.gridSize, m_settings.blockSize, m_streams[0]);
 
-        if (lightOnHost)
-            CUDA_SAFE_CALL(cudaFreeHost(reinterpret_cast<void*>(light)));
-
         cudalog << "Generated DAG + Light in "
                 << std::chrono::duration_cast<std::chrono::milliseconds>(
                        std::chrono::steady_clock::now() - startInit)