Revert "Merge branch 'update-nightlies-envs' into 'master'"

This reverts merge request !1074 (merged) because there was a bug in LbNightlyTools!405 (merged) leading to this error:

Traceback (most recent call last):
Pull LHCbPR2HD
  File "/cvmfs/lhcbdev.cern.ch/nightly-environments/383ca1bb15cc566ce72c1bc9ac76cd8a7da37a113818e79d565fcb249fca10dc/bin/lbpr-collect", line 10, in <module>
    sys.exit(collect())
             ^^^^^^^^^
  File "/cvmfs/lhcbdev.cern.ch/nightly-environments/383ca1bb15cc566ce72c1bc9ac76cd8a7da37a113818e79d565fcb249fca10dc/lib/python3.11/site-packages/LbPR/_entry_points.py", line 446, in collect
    print("Run ./LHCbPR2HD/collectRunResults.py", sys.args[1:])
                                                  ^^^^^^^^
AttributeError: module 'sys' has no attribute 'args'. Did you mean: 'argv'?