Removed obsolete GRANT statements (the oq_ged4gem user is no longer used).
Removed obsolete GRANT statements (the oq_ged4gem user is no longer used).


Former-commit-id: 8c4d4816d045817c0c6d6f04c9fd298aed9ead59
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine