[Parser] Keep delayed body parsing even with interface hash generation
[Parser] Keep delayed body parsing even with interface hash generation

The generated hash ignores tokens parsed in the body anyway, so there's
no reason to disable delayed body parsing in this case.

xwu/swift,benlangmuir/swift,ahoppen/swift,gregomni/swift,atrick/swift,benlangmuir/swift,glessard/swift,tkremenek/swift,parkera/swift,ahoppen/swift,glessard/swift,tkremenek/swift,ahoppen/swift,roambotics/swift,glessard/swift,atrick/swift,xwu/swift,parkera/swift,benlangmuir/swift,roambotics/swift,rudkx/swift,rudkx/swift,ahoppen/swift,JGiola/swift,tkremenek/swift,apple/swift,glessard/swift,xwu/swift,tkremenek/swift,benlangmuir/swift,parkera/swift,apple/swift,glessard/swift,rudkx/swift,JGiola/swift,glessard/swift,atrick/swift,hooman/swift,hooman/swift,roambotics/swift,parkera/swift,xwu/swift,xwu/swift,gregomni/swift,apple/swift,JGiola/swift,rudkx/swift,parkera/swift,JGiola/swift,tkremenek/swift,hooman/swift,gregomni/swift,roambotics/swift,gregomni/swift,parkera/swift,JGiola/swift,benlangmuir/swift,hooman/swift,apple/swift,xwu/swift,apple/swift,atrick/swift,rudkx/swift,parkera/swift,roambotics/swift,hooman/swift,atrick/swift,parkera/swift,gregomni/swift,JGiola/swift,rudkx/swift,atrick/swift,xwu/swift,ahoppen/swift,roambotics/swift,ahoppen/swift,tkremenek/swift,apple/swift,hooman/swift,tkremenek/swift,gregomni/swift,benlangmuir/swift,hooman/swift