[Typo3] Clean up unused data in database

[tapio]

>>It seems that the compare tools checks *only* against installed plugins.
>>Some core files might use them also. If this is the case, the result is 
>>incorrect.
> 
> 
> Seems so. It's a big issue IMHO.

Yes. The compare tool should use also a full list of tables and related 
fields, which are use by core files.

> And why are there fields/tables in the database that are not needed since the extension is not enabled with a clean install (e.g. tt_news, TV) ?

Agrees - useless because if you enable those extensions Typo creates 
necessary tables.

> - the table "static_taxes"

then some tables with *static* should be taken account also.