Moved profiling test cases to test frontend + profiling

hpvm/test/CMakeLists.txt

hpvm/test/dnn_benchmarks/profiling/CMakeLists.txt

hpvm/test/dnn_benchmarks/profiling/alexnet2_cifar10.test

hpvm/test/dnn_benchmarks/profiling/alexnet_cifar10.test

hpvm/test/dnn_benchmarks/profiling/lenet_mnist.test

hpvm/test/dnn_benchmarks/profiling/mobilenet_cifar10.test

hpvm/test/dnn_benchmarks/profiling/resnet18_cifar10.test

hpvm/test/dnn_benchmarks/profiling/test_hpvm_c_profiling.py

hpvm/test/dnn_benchmarks/pytorch/CMakeLists.txt

...n_benchmarks/pytorch/test_profiling/alexnet2_cifar10.test

...nn_benchmarks/pytorch/test_profiling/alexnet_cifar10.test

...st/dnn_benchmarks/pytorch/test_profiling/lenet_mnist.test

hpvm/test/dnn_benchmarks/pytorch/test_profiling/lit.cfg.py

..._benchmarks/pytorch/test_profiling/mobilenet_cifar10.test

...n_benchmarks/pytorch/test_profiling/resnet18_cifar10.test

...t/dnn_benchmarks/pytorch/test_profiling/test_profiling.py

hpvm/test/dnn_benchmarks/pytorch/test_tuning/test_tuning.py