build-remote.pl: Don't use substituters on the remote
build-remote.pl: Don't use substituters on the remote

It's kinda pointless to check substituters on the remote side, since
we just checked them locally.

rycee/nix,nbp/nix,aucampia/nix,edolstra/nix,rycee/nix,bennofs/nix,puffnfresh/nix,jcumming/nix,offlinehacker/nix,dezgeg/nix,vizanto/nix,gebner/nix,ehmry/nix,ttuegel/nix,bjornfor/nix,edolstra/nix,jcumming/nix,ysangkok/nix,edolstra/nix,bennofs/nix,shlevy/nix,shlevy/nix,dezgeg/nix,dtzWill/nix,offlinehacker/nix,wmertens/nix,pikajude/nix,ehmry/nix,nbp/nix,bjornfor/nix,garbas/nix,vcunat/nix,tchajed/nix,shlevy/nix,gridaphobe/nix,zimbatm/nix,shlevy/nix,rowhit/nix,rycee/nix,garbas/nix,ttuegel/nix,rowhit/nix,nbp/nix,jcumming/nix,shlevy/nix,garbas/nix,peti/nix,bjornfor/nix,dezgeg/nix,acowley/nix,ehmry/nix,acowley/nix,rycee/nix,peti/nix,ehmry/nix,rowhit/nix,joelmo/nix,puffnfresh/nix,layus/nix,NixOS/nix,NixOS/nix,tchajed/nix,wmertens/nix,edolstra/nix,bjornfor/nix,ttuegel/nix,aucampia/nix,peti/nix,vcunat/nix,vcunat/nix,layus/nix,wmertens/nix,zimbatm/nix,dtzWill/nix,gridaphobe/nix,dtzWill/nix,layus/nix,vizanto/nix,pikajude/nix,puffnfresh/nix,rycee/nix,gridaphobe/nix,acowley/nix,layus/nix,edolstra/nix,joelmo/nix,dtzWill/nix,gebner/nix,garbas/nix,NixOS/nix,garbas/nix,tchajed/nix,ysangkok/nix,jcumming/nix,joelmo/nix,vizanto/nix,dezgeg/nix,gridaphobe/nix,vizanto/nix,puffnfresh/nix,bennofs/nix,acowley/nix,gebner/nix,offlinehacker/nix,NixOS/nix,peti/nix,zimbatm/nix,nbp/nix,rowhit/nix,ehmry/nix,zimbatm/nix,aucampia/nix,joelmo/nix,gebner/nix,tchajed/nix,pikajude/nix,ehmry/nix,bennofs/nix,ysangkok/nix,peti/nix,offlinehacker/nix,aucampia/nix,dtzWill/nix,wmertens/nix,dezgeg/nix,ttuegel/nix,vcunat/nix,NixOS/nix,layus/nix