Remove <p> WYSIWYG Magento2, plugin edition

TinyMCEPlugin

<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="Magento\Ui\Component\Wysiwyg\ConfigInterface">
        <plugin name="mynamespace_tinymce_settings"
                type="Namespace\Backend\Plugins\TinyMCEPlugin"
                sortOrder="10"/>
    </type>
</config>


class TinyMCEPlugin
{
    protected $activeEditor;
    public function __construct(\Magento\Ui\Block\Wysiwyg\ActiveEditor $activeEditor)
    {
        $this->activeEditor = $activeEditor;
    }
    /**
     * Return WYSIWYG configuration
     *
     * @param \Magento\Ui\Component\Wysiwyg\ConfigInterface $configInterface
     * @param \Magento\Framework\DataObject $result
     *
     * @return \Magento\Framework\DataObject
     */
    public function afterGetConfig(
        ConfigInterface $configInterface,
        DataObject $result
    ) {
        // Get current wysiwyg adapter's path
        $editor = $this->activeEditor->getWysiwygAdapterPath();
        // Is the current wysiwyg tinymce v4?
        if (strpos($editor, 'tinymce4Adapter')) {
            $settings = $result->getData('settings');
            if (!is_array($settings)) {
                $settings = [];
            }
            // configure tinymce settings
            $settings['forced_root_block'] = false;
            $result->setData('settings', $settings);
        }
        return $result;
    }
}