[TASK] Remove database field tx_ter_extensionkeys.maxstoresize
The database field "tx_ter_extensionkeys.maxstoresize" is not in use in the whole system and not exposed, so it can be removed from TCA and the database.
The database field "tx_ter_extensionkeys.maxstoresize" is not in use in the whole system and not exposed, so it can be removed from TCA and the database.