src/app/code/community/Webcomm/MagentoBoilerplate/Helper/Resource/Setup.php
public function removeConfigData($path)
    {
        $values = Mage::getModel('core/config_data')
            ->getCollection()
            ->addFieldToFilter('path', $path);

        foreach ($values as $value) {
            $value->delete();
        }

        return $this;
    }
public function removeConfigData($path)
    {
        $values = Mage::getModel('core/config_data')
            ->getCollection()
            ->addFieldToFilter('path', $path);

        foreach ($values as $value) {
            $value->delete();
        }

        return $this;
    }
public function removeConfigData ( $ path ) { $ values = Mage :: getModel ( 'core/config_data' ) -> getCollection ( ) -> addFieldToFilter ( 'path' , $ path ) ; foreach ( $ values as $ value ) { $ value -> delete ( ) ; } return $ this ; }
Remove config data with the given path. These may be a string
that matches the key to remove, or an array suitable to
be passed to Magento's query builder instead.

@param  mixed $path
@return void
Remove config data with the given path . These may be a string that matches the key to remove or an array suitable to be passed to Magento s query builder instead .