Remove generate-tests setting from flowconfigs in xplat
Remove generate-tests setting from flowconfigs in xplat

Reviewed By: panagosg7

Differential Revision: D25958102

fbshipit-source-id: a15926f04bd8cd4337f489cddbb8e385821243bc

kassens/relay,facebook/relay,atxwebs/relay,josephsavona/relay,wincent/relay,josephsavona/relay,kassens/relay,voideanvalue/relay,facebook/relay,voideanvalue/relay,kassens/relay,atxwebs/relay,wincent/relay,xuorig/relay,kassens/relay,wincent/relay,facebook/relay,atxwebs/relay,voideanvalue/relay,xuorig/relay,kassens/relay,wincent/relay,atxwebs/relay,xuorig/relay,kassens/relay,voideanvalue/relay,xuorig/relay,facebook/relay,facebook/relay,facebook/relay,yungsters/relay,xuorig/relay,wincent/relay,xuorig/relay,josephsavona/relay,wincent/relay,voideanvalue/relay,voideanvalue/relay,yungsters/relay,yungsters/relay