cleanup: remove size-80k/stage3/checkpoint-1200

cleanup: remove size-80k/stage3/checkpoint-1100

cleanup: remove size-80k/stage3/checkpoint-1000

cleanup: remove size-80k/stage3/checkpoint-900

cleanup: remove size-80k/stage3/checkpoint-800

cleanup: remove size-80k/stage3/checkpoint-500

cleanup: remove size-80k/stage3/checkpoint-400

cleanup: remove size-80k/stage3/checkpoint-300

cleanup: remove size-80k/stage3/checkpoint-200

cleanup: remove size-80k/stage3/checkpoint-100

stage3 checkpoint-1250 (weights-only)

stage3 checkpoint-1200 (weights-only)

stage3 checkpoint-1100 (weights-only)

stage3 checkpoint-1000 (weights-only)

stage3 checkpoint-900 (weights-only)

stage3 checkpoint-800 (weights-only)

stage3 checkpoint-700 (weights-only)

stage3 checkpoint-600 (weights-only)

stage3 checkpoint-500 (weights-only)

stage3 checkpoint-400 (weights-only)

stage3 checkpoint-300 (weights-only)

stage3 checkpoint-200 (weights-only)

stage3 checkpoint-100 (weights-only)