Remove unused original_filename column
Extracted this work out of !106740 (merged). See !106740 (comment 1275474736).
This column was added originally under ignore_column
and was never used due to change of plans. We can remove this now.
Extracted this work out of !106740 (merged). See !106740 (comment 1275474736).
This column was added originally under ignore_column
and was never used due to change of plans. We can remove this now.