replace protobuf in 4G F1 split, first step: UL packets

cmake_targets/CMakeLists.txt

common/utils/LOG/log.c

common/utils/LOG/log.h

common/utils/T/T_messages.txt

common/utils/ocp_itti/intertask_interface.cpp

common/utils/system.c

common/utils/threadPool/thread-pool.h

openair2/ENB_APP/enb_config.c

openair2/F1AP/f1ap_cu_task.c

openair2/F1AP/f1ap_du_rrc_message_transfer.c

openair2/F1AP/f1ap_du_task.c

openair2/F1AP/f1ap_du_ue_context_management.c

openair2/LAYER2/PDCP_v10.1.0/pdcp.c

openair2/LAYER2/PROTO_AGENT/proto_agent.c

openair2/LAYER2/rlc_v2/rlc_oai_api.c

openair2/RRC/LTE/rrc_eNB_S1AP.c

openair2/RRC/NR/rrc_gNB.c

openair3/ocp-gtpu/gtp_itf.cpp

targets/COMMON/create_tasks.c