src/TableBlueprint.php
public function dropColumn(string $name): self
    {
        return $this->addOperation(
            new Operation\Column\Drop($this->table, $name)
        );
    }
public function dropColumn(string $name): self
    {
        return $this->addOperation(
            new Operation\Column\Drop($this->table, $name)
        );
    }
Example:
$table->dropColumn('email');

@param string $name
@return TableBlueprint