Remove Nix options not needed by the new queue runner

Dependencies

• [2] 25DXUDOJ hydra-module.nix: Remove the useWAL option
• [3] 3FTM52B2 hydra-module: Always GC to have at least 100 GiB available.
• [4] ZYEFL36Q Ported/merged properties from the TUD configuration's hydra-module
• [5] D3MDJONY

Change contents

• edit in hydra-module.nix at line 178
  [3.3459]→[3.3459:3572](∅→∅),[3.3572]→[2.2:3](∅→∅),[2.3]→[3.632:772](∅→∅),[3.632]→[3.632:772](∅→∅)
  −

  − # Hydra needs caching of build failures.

  − build-cache-failure = true

  −

  − build-poll-interval = 10

  −

  − # Online log compression makes it impossible to get the tail of

  − # builds that are in progress.

  − build-compress-log = false