refacts files in folders

src/test_databases/full-graph.tql

src/test_databases/typedb-clean

src/transitive/transitive-closure-data.tql

src/transitive/transitive-closure-neg-data.tql

src/transitive/transitive-closure-query.tql

src/transitive/transitive-closure-schema.tql

src/utils/delete-data.tql

src/utils/full-graph.tql

src/utils/typedb-clean