`_getDelegateConfig()`: add a comment and remove an unneeded config check
`_getDelegateConfig()`: add a comment and remove an unneeded config check

twbs/bootstrap,inway/bootstrap,inway/bootstrap,tjkohli/bootstrap,inway/bootstrap,coliff/bootstrap,coliff/bootstrap,m5o/bootstrap,twbs/bootstrap,tjkohli/bootstrap,m5o/bootstrap