Intended to fix#3213
Revert "Implement Cosimo feedback"
This reverts commit cfede76fd93012a79457232d79884b3c885bf81b.
Revert "remove redundant CPAL name removal code"
This reverts commit b5639410abe9b57d9764639839621d9f1995c873.
Revert "convert name table _prune_pre_subset to prune_post_subset"
This reverts commit 0a6e8bf1c308c843fbbf65e06e4eb5734aa941a2.
Revert "Use NameRecordVisitor in subsetter"
This reverts commit edf8891fba54015c5d37a6397b7b95f14dfe5662.