Clean up repo

[matentzn]

Remove the folling files from git index:

• add-to-uberon.pl
• all remaining (non-released) subsets
• assert-equivalent-classes-module.owl
• composite-aba.obo
• deleted_axioms.obo
• disjoint_union_over.ofn
• external-disjoints.owl
• homology-relations.owl
• homology.owl
• pending-disjoints-core.obo
• project.owl
• reasoner_axioms.owl
• rules.owl
• ssso-merged-uberon.owl
• uberon-simple-rel.obo
• uberon-taxmod-amniote.obo
• uberon-with-isa.obo
• uberon.references
• void.ttl
• all release artefacts
• basic-catalog.xml
• curie_map.yaml
• Makefile
• makespec.pro (moved to scripts)
• ncbitaxon_import.owl
• null.owl
• purls.conf
• queries.pro (moved to scripts)
• uberon_edit-relations.tsv

[github-actions]

This issue has not seen any activity in the past 6 months; it will be closed automatically in one year from now if no action is taken.

[github-actions]

This issue has not seen any activity in the past 6 months; it will be closed automatically one year from now if no action is taken.

[anitacaron]

I updated the list by checking the files that are not present in the master branch anymore.