Zero Downtime Deploys - Dropping Columns with EF Migrations

I've previously written about how we handle zero downtime deployments with Entity Framework and Migrations [https://jonleigh.me/zero-downtime-deploys-with-entity-framework-migrations/] but the post lacked an important piece of the puzzle: how to drop a column. When practising continuous deployment, in order to drop a column, you need to follow…