Deletes from the table for the POCO type specified (T) using the CQL string specified and query parameters specified. Prepends "DELETE FROM tablename " to the CQL statement you specify, getting the tablename appropriately from the POCO Type T.

Returns information whether it was applied or not. If it was not applied, it returns details of the existing values.

Task<AppliedInfo<T>> DeleteIfAsync<T>(
	string cql,
	params Object[] args
)