Removed all image processing code from tensor runtime

hpvm/projects/hpvm-tensor-rt/CMakeLists.txt

...ojects/hpvm-tensor-rt/tensor_runtime/include/approx_api.h

...cts/hpvm-tensor-rt/tensor_runtime/include/configuration.h

...jects/hpvm-tensor-rt/tensor_runtime/include/device_math.h

...ts/hpvm-tensor-rt/tensor_runtime/src/approx_simulation.cu

...jects/hpvm-tensor-rt/tensor_runtime/src/configuration.cpp

...projects/hpvm-tensor-rt/tensor_runtime/src/device_math.cu

.../hpvm-tensor-rt/tensor_runtime/src/hpvm-rt-controller.cpp

hpvm/test/dnn_benchmarks/hpvm-c/include/hpvm.h