Drupal QuickBooks Integration (8.x-1.0-rc2) - en to cy translation catalogue (6 entries)

en: Operations
cy: Gweithrediad

en: Remove
cy: Symud

en: Payment
cy: Taliad

en: Production
cy: Cynhyrchiad

en: Payment method
cy: Dull taliad

en: Rate
cy: Graddfa
