remove "unused variable" and "set but not used" warnings

cmake_targets/tools/fix_asn1

common/utils/collection/hashtable/hashtable.c

openair1/PHY/INIT/lte_init.c

openair1/PHY/LTE_ESTIMATION/lte_eNB_measurements.c

openair1/PHY/LTE_ESTIMATION/lte_ue_measurements.c

openair1/SCHED/phy_mac_stub.c

openair1/SCHED/phy_procedures_lte_eNb.c

openair1/SCHED/pucch_pc.c

openair2/ENB_APP/enb_config.c

openair2/LAYER2/MAC/eNB_scheduler_dlsch.c

openair2/LAYER2/MAC/eNB_scheduler_primitives.c

openair2/LAYER2/MAC/pre_processor.c

openair2/LAYER2/PDCP_v10.1.0/pdcp.c

openair2/LAYER2/RLC/AM_v9.3.0/rlc_am.c

openair2/LAYER2/RLC/rlc_rrc.c

openair2/LAYER2/openair2_proc.c

openair2/RRC/LITE/rrc_UE.c

openair2/RRC/LITE/rrc_common.c

openair2/RRC/LITE/rrc_eNB.c

openair2/RRC/LITE/rrc_eNB_GTPV1U.c