Drop the clustered index, then recreate the primary key as non-clustered:
ALTER TABLE dbo.Config DROP CONSTRAINT PK_Config
go
ALTER TABLE dbo.Config ADD CONSTRAINT PK_Config
PRIMARY KEY NONCLUSTERED (ConfigID)
Drop the clustered index, then recreate the primary key as non-clustered:
ALTER TABLE dbo.Config DROP CONSTRAINT PK_Config
go
ALTER TABLE dbo.Config ADD CONSTRAINT PK_Config
PRIMARY KEY NONCLUSTERED (ConfigID)