Moved SQL scripts to https://github.com/Ensembl/ols-ensembl-loader re…
…pository
Requirements
None
Description
Deleted Ontology related scripts, moved to ols-ensembl-loader repository
Use case
None
Benefits
Schema data are in related repo
Possible Drawbacks
None, AFAIK
Testing
None
If so, do the tests pass/fail?
N/A