fix: rm deprecated TrackFindingAlgorithm in far_forward_reconstruction.py

This algorithm has been deprecated since September 2021, EIC/juggler@e725764a.

assigned to @wdconinc

enabled an automatic merge when the pipeline for 4cdea740 succeeds

mentioned in commit EIC/juggler@6646984c

mentioned in merge request EIC/juggler!523 (merged)

Only affected job was already broken before (e.g. https://eicweb.phy.anl.gov/EIC/benchmarks/reconstruction_benchmarks/-/jobs/2099148), and has long been marked allow_failure: true.

merged