hydra-module: don't use `createHome = true;` to create Hydra's base-dir

Dependencies

• [2] TTZ26BJQ Unify Hydra's NixOS module with the one used for hydra.nixos.org
• [3] T4DBPQOF hydra-module: Run hydra-init during hydra-init.service
• [4] BW4FLZMU Set `isSystemUser = true;` for each statically declared user
• [5] D3MDJONY
• [6] F3M47DHJ hydra-module.nix: More paranoid permissions on the data directory
• [7] QU2FV3MP Fix Hydra VM tests
• [8] KVDOL4OZ hydra-module: Don't rely on su being available.
• [9] OZX5T6LQ Fix paths

Change contents

• edit in hydra-module.nix at line 200
  [2.635]

  [2.635]
  + systemd.tmpfiles.rules = [

  + "d ${baseDir} 0750 hydra hydra"

  + ];

  +
• edit in hydra-module.nix at line 209
  [2.756]→[2.756:783](∅→∅)
  − createHome = true;
• edit in hydra-module.nix at line 263
  [3.22]→[2.1195:1297](∅→∅)
  − mkdir -p ${baseDir}

  − chown hydra.hydra ${baseDir}

  − chmod 0750 ${baseDir}

  −