refactor: link /share/zsh in the zsh config instead of hosts/common/default.nix

hosts/common/default.nix

@@ -74,8 +74,6 @@
     # NIXOS_OZONE_WL = "1";
     # LIBGL_ALWAYS_SOFTWARE = "1";
   };
-  # enable zsh completions
-  environment.pathsToLink = [ "/share/zsh" ];
 
   # link debug symbols into /run/current-system/sw/lib/debug
   # hopefully picked up by gdb automatically?

hosts/common/home/zsh/default.nix

@@ -38,6 +38,9 @@ in
   # zsh/prezto complains if zshrc doesn't exist; but it does allow an "empty" file.
   sane.fs."/home/colin/.config/zsh/.zshrc" = sane-lib.fs.wantedText "# ";
 
+  # enable zsh completions
+  environment.pathsToLink = [ "/share/zsh" ];
+
   programs.zsh = {
     enable = true;
     histFile = "$HOME/.local/share/zsh/history";