remove origin from git pull call, to get rid of fatal: fetch --all does not take a repository argument error

Dependencies

• [2] HE3GX5IP Optimize fetch-git.
• [3] C7CXMZ66 hydra: do not perform git clone every time. in stead work on local clone and pull
• [4] BMSQD2ZH Indentation
• [*] OOQ2D3KC * Refactoring: move fetchInput out of hydra_scheduler into a separate

Change contents

• replacement in src/lib/Hydra/Helper/AddBuilds.pm at line 344
  [2.674]→[2.674:743](∅→∅)
  − ("git", "pull", "--ff-only", "-fu", "--all", "origin"));
  [2.674]

  [2.743]
  + ("git", "pull", "--ff-only", "-fu", "--all"));