remove more files, add a LOG_E() for UE not developped use case

common/utils/time_utils.h

openair1/PHY/CODING/scrambler.h

openair1/PHY/INIT/init_extern.h

openair1/PHY/INIT/init_vars.h

openair1/PHY/LTE_ESTIMATION/lte_estimation_extern.h

openair1/SCHED_UE/phy_procedures_lte_ue.c

openair2/LAYER2/RLC/AM_v9.3.0/rlc_am_proto_extern.h

openair2/RRC/LTE/rrc_2_rrm_msg.c

openair2/RRC/LTE/rrc_UE.c

openair3/NAS/COMMON/API/NETWORK/l2_message.h

openair3/NAS/TOOLS/network.h

openair3/UTILS/mme_config.c