Add the SET options to the delete call.
These still apply to the other items mentioned in the error, even though you disabled FKs.
This will work around any saved or environment settings
Edit, after comment
EXEC sp_MSForEachTable 'SET QUOTED_IDENTIFIER ON; DELETE FROM ?'
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…