Rename stored config keys to RVQ terms (drop fsq_levels/fsq_num_quantizers, residual_fsq_predictor_type -> acoustic_predictor_type, acoustic_target fsq -> rvq)

step_00185000.pt

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:fd702c01229a44778371e95e01dfde88b8fb82dd00efaa897070a8dc6fbae6da
-size 16026689551
+oid sha256:96b9414519f560eedb3ef40c7c780a64a5b2773011a4735433192bfe7791fc63
+size 16026674801