Update HLT1 PbPb sequence for 2024 ion run

The main update consists of adding and tuning the SMOG2 line to reduce the Pb-SMOG2 rate.

configuration/python/AllenConf/HLT1_PbPb.py

@@ -29,7 +29,6 @@ from AllenConf.hlt1_heavy_ions_lines import (
 from AllenConf.hlt1_inclusive_hadron_lines import make_kstopipi_line, make_lambda2ppi_line
 from AllenConf.hlt1_charm_lines import make_d2kk_line, make_d2pipi_line, make_d2kpi_line
 from AllenConf.hlt1_muon_lines import make_one_muon_track_line, make_di_muon_mass_line
-from AllenConf.hlt1_smog2_lines import *
 from AllenConf.velo_reconstruction import decode_velo
 from AllenConf.calo_reconstruction import decode_calo
 from AllenConf.validators import rate_validation