delete infrastucture for F3/g6 distributions (K18/K20)

src/gpu/core/Calculation/Calculation.h

src/gpu/core/Communication/ExchangeData27.cpp

src/gpu/core/Communication/ExchangeData27_Device.cu

src/gpu/core/Cuda/CudaMemoryManager.cpp

src/gpu/core/Cuda/CudaMemoryManager.h

...tructureInitializer/GridReaderGenerator/GridGenerator.cpp

src/gpu/core/Parameter/Parameter.h