code: public function dropCommentFromColumn($table, $column)
      {
          $sql = $this->db->getQueryBuilder()->dropCommentFromColumn($table, $column);
  
          return $this->setSql($sql)->requireTableSchemaRefresh($table);
      }
docs: Builds a SQL command for dropping comment from column.
  
  @param string $table the table whose column is to be commented. The table name will be properly quoted by the method.
  @param string $column the name of the column to be commented. The column name will be properly quoted by the method.
  @return $this the command object itself
  @since 2.0.8