Execution example::

  table_remove ReferencedByColumn
  # [
  #   [
  #     -2, 
  #     1337566253.89858, 
  #     0.000355720520019531, 
  #     "[table][remove] a column that references the table exists: <Table.reference_column> -> <ReferencedByColumn>", 
  #     [
  #       [
  #         "is_removable_table", 
  #         "db.c", 
  #         9494
  #       ]
  #     ]
  #   ], 
  #   false
  # ]
