NR_UE: use improved version of mult-layer dlsch_extract_rbs(), also correctly handling odd number of PRBs

integration_2022_wk33

See merge request oai/openairinterface5g!1667

MR !1604 RRC harmonization of multiple BWPs configuration
MR !1657 NR fixes for 100MHz and 2 layers
MR !1646 Add 4G L2simulator test
MR !1662 fix a bug: multi ues in rfsimulator 4G
MR !1559 NR UE multi SSB meas
changes to disable legacy 4G F1 test
MR !1661 fix bugs in config module and config usage
MR !1562 Correctly handle SIGINT/stop signal in nr-softmodem
MR !1659 Fix segFault in SRS for odd number of PRBs

- don't call exit() if get_message() fails, simply terminate the thread and
  disable the T tracer
- T_dont_fork disappears, monitor_and_kill() as well, so now it's only 2
  processes: the main (enb/gnb/ue) and the local tracer

Removes phy_procedures_gNB_common_RX() (only used in nr_ulsim) + fixes
in pucchsim