Remove old comment (#5407)
Remove old comment (#5407)

Code changed in #5404, this comment no longer relevant.
mingaldrichgan/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,0x80/gatsby,gatsbyjs/gatsby,mingaldrichgan/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,fk/gatsby,ChristopherBiscardi/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,fk/gatsby,gatsbyjs/gatsby,fk/gatsby,gatsbyjs/gatsby,0x80/gatsby,0x80/gatsby,mingaldrichgan/gatsby