Removed JSON files under scripts/benchmarks/results/stats/ that no
writeup markdown in scripts/benchmarks/results/*.md referenced.
Intermediate debugging dumps (cb_sync_smoke, cb_tpaged_64_lora_4bit*,
flex_256x512, flex_32x512_eager, flex_32x512_mauto_nocg,
flex_64_lora_4bit*, flex_64_lora_bf16_{fusedmerge,mergeadapter,nomerge},
flex_verify_fusedmerge, unsloth_fi_true_64_lora_4bit). No writeups
edited -- every `results/*.md` reference still resolves.
dc76ef6cbb