Removed legacy benchmarks

...hmarks/benchmarks/legacy/canny_test/data/quant_ranges.txt

...rks/benchmarks/legacy/canny_test/data/quant_ranges_rt.txt

...legacy/canny_test/data/soc_data/tuner_confs_25_ported.txt

...legacy/canny_test/data/soc_data/tuner_confs_30_ported.txt

...chmarks/benchmarks/legacy/canny_test/data/tuner_confs.txt

...dnn_benchmarks/benchmarks/legacy/canny_test/src/canny.cpp

...ks/benchmarks/legacy/canny_test/src/canny_direct_call.cpp

.../test/dnn_benchmarks/benchmarks/legacy/cava_test/Makefile

...chmarks/benchmarks/legacy/cava_test/src/cam-vision-native

...dnn_benchmarks/benchmarks/legacy/cava_test/src/cam_pipe.c

...dnn_benchmarks/benchmarks/legacy/cava_test/src/cam_pipe.h

...hmarks/benchmarks/legacy/cava_test/src/cam_pipe_utility.c

...hmarks/benchmarks/legacy/cava_test/src/cam_pipe_utility.h

...est/dnn_benchmarks/benchmarks/legacy/cava_test/src/defs.h

...enchmarks/benchmarks/legacy/cava_test/src/dma_interface.c

...enchmarks/benchmarks/legacy/cava_test/src/dma_interface.h

...benchmarks/benchmarks/legacy/cava_test/src/gem5_harness.h

...nchmarks/benchmarks/legacy/cava_test/src/load_cam_model.c

...nchmarks/benchmarks/legacy/cava_test/src/load_cam_model.h

...est/dnn_benchmarks/benchmarks/legacy/cava_test/src/main.c