Revert "prim_toPath: Actually make the string a path"
Revert "prim_toPath: Actually make the string a path"

This reverts commit 2980d1fba97069805c3649c5d99d0356bce6c303.  It
causes a regression in NixOS evaluation:

string `/nix/store/ya3s5gmj3b28170fpbjhgsk8wzymkpa1-pommed-1.39/etc/pommed.conf' cannot refer to other paths

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