Removing unused dirs from hpvm-tensor-rt

.../alexnet2_cifar10/alexnet2_cifar10_fp16_samp_fp16_261.txt

.../alexnet2_cifar10/alexnet2_cifar10_fp16_samp_fp16_262.txt

.../alexnet2_cifar10/alexnet2_cifar10_fp16_samp_fp16_263.txt

.../alexnet2_cifar10/alexnet2_cifar10_fp16_samp_fp16_264.txt

.../alexnet2_cifar10/alexnet2_cifar10_fp16_samp_fp16_265.txt

.../alexnet2_cifar10/alexnet2_cifar10_fp16_samp_fp16_266.txt

.../alexnet2_cifar10/alexnet2_cifar10_fp16_samp_fp16_267.txt

.../alexnet2_cifar10/alexnet2_cifar10_fp16_samp_fp16_268.txt

.../alexnet2_cifar10/alexnet2_cifar10_fp16_samp_fp16_269.txt

.../alexnet2_cifar10/alexnet2_cifar10_fp32_perf_fp32_120.txt

...s/alexnet_canny_fp16/alexnet_canny_fp16_perf_fp16_120.txt

...s/alexnet_canny_fp16/alexnet_canny_fp16_perf_fp16_151.txt

...s/alexnet_canny_fp16/alexnet_canny_fp16_perf_fp16_152.txt

...s/alexnet_canny_fp16/alexnet_canny_fp16_perf_fp16_153.txt

...s/alexnet_canny_fp16/alexnet_canny_fp16_perf_fp16_154.txt

...s/alexnet_canny_fp16/alexnet_canny_fp16_perf_fp16_155.txt

...s/alexnet_canny_fp16/alexnet_canny_fp16_perf_fp16_156.txt

...s/alexnet_canny_fp16/alexnet_canny_fp16_perf_fp16_157.txt

...s/alexnet_canny_fp16/alexnet_canny_fp16_perf_fp16_158.txt

...s/alexnet_canny_fp16/alexnet_canny_fp16_perf_fp16_159.txt