Delete CKPTs/final_models/9B/nonzero/ovb_f2k9b_v4_nonzero_best64_fixeddraw32lr_r512_allblocks-nonblock_lr2e-6_b2-ga3-gpu32_100k_wu1000_constant_with_warmup

Sanitize dataset and training configuration paths

Rename 4B zeroshot checkpoint directory

Separate ablations and final checkpoint models