[TYPO3-dev] De-register an ExtBase plugin

[Mark Howells-Mead]

> Use the extension managers configuration (ext_conf_template.txt) and have
> checkboxes where you can activate the different plugins.
> In your ext_tables.php you use these settings, and wrap the registerPlugin
> inside a condition.

Although the remainder of this solution is clear, how would I go about accessing the config. of the extension in ext_tables.php? (I’m comfortable with the implementation via registerPlugin().)