Removed all image routines from tensor runtime

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

...-rt/tensor_runtime/include/approxhpvm_img_runtime_utils.h

...m-tensor-rt/tensor_runtime/include/functional/broadcast.h

...hpvm-tensor-rt/tensor_runtime/include/functional/common.h

.../hpvm-tensor-rt/tensor_runtime/include/functional/map.cuh

...-tensor-rt/tensor_runtime/include/functional/map_typing.h

...vm-tensor-rt/tensor_runtime/include/functional/reduce.cuh

...s/hpvm-tensor-rt/tensor_runtime/include/image/stb_image.h

...-tensor-rt/tensor_runtime/include/image/stb_image_write.h

...pvm-tensor-rt/tensor_runtime/include/img_tensor_runtime.h

.../hpvm-tensor-rt/tensor_runtime/include/img_tensor_utils.h

...hpvm-tensor-rt/tensor_runtime/include/rt-controller-api.h

...ts/hpvm-tensor-rt/tensor_runtime/include/tensor_runtime.h

...pvm-tensor-rt/tensor_runtime/include/tensor_signatures.cc

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

hpvm/projects/hpvm-tensor-rt/tensor_runtime/src/common.cpp

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

...s/hpvm-tensor-rt/tensor_runtime/src/img_tensor_runtime.cu

...ts/hpvm-tensor-rt/tensor_runtime/src/img_tensor_utils.cpp