nixos: remove dependencies on local-fs.target

Since https://github.com/NixOS/nixpkgs/pull/61321, local-fs.target is
part of sysinit.target again, meaning units without
DefaultDependencies=no will automatically depend on it, and the manual
set dependencies can be dropped.

nixos/modules/services/computing/boinc/client.nix

@@ -111,7 +111,7 @@ in
 
       systemd.services.boinc = {
         description = "BOINC Client";
-        after = ["network.target" "local-fs.target"];
+        after = ["network.target"];
         wantedBy = ["multi-user.target"];
         script = ''
           ${fhsEnvExecutable} --dir ${cfg.dataDir} --redirectio ${allowRemoteGuiRpcFlag}