attempt all column dropping upfront prior to loading cache

db/fixtures/000_delayed_drops.rb

@@ -1,6 +1,7 @@
 # Delayed migration steps
 
 require 'migration/table_dropper'
+require 'migration/column_dropper'
 
 Migration::ColumnDropper.drop(
   table: 'user_profiles',
@@ -182,6 +183,3 @@ Migration::TableDropper.delayed_drop(
 
 STDERR.puts "Resetting Active Record Cache"
 Discourse.reset_active_record_cache
-ActiveRecord::Base.connection.close
-# for some reason connection tables may be off?
-User.reset_column_information