CLEANUP: Delete old fake string FK columns from database

This shouldn't be done until at least a round has passed to verify everything works fine without them.

Table / Column

BookReadings / BookDbName Contributions / Form_BecomesItemDbName Contributions / Form_BecomesItemDbName DbStaticEffects / dbName DbStaticEffects / PreRequesite DbStaticForms / dbName DbStaticForms / TFEnergyType (column has never been used) DbStaticForms / BecomesItemDbName DbStaticForms / BecomesItemDbName DbStaticFurnitures / GivesItem DbStaticFurnitures / GivesEffect DbStaticItems / dbName Items / dbName Players / Form Players / OriginalForm Skills / Name TFEnergies / FormName TFMessages / FormDbName DbStaticSkills / dbName DbStaticSkills / FormdbName DbStaticSkills / ExclusiveToForm DbStaticSkills / ExclusiveToItem

I'm sure many are being missed here.