cleaning after big merge

cmake_targets/CMakeLists.txt

common/utils/system.c

common/utils/system.h

executables/nr-ru.c

openair1/PHY/LTE_TRANSPORT/dlsch_coding.c

targets/RT/USER/TOOLS/thread_ipc.c

targets/RT/USER/lte-enb.c

targets/RT/USER/lte-ru.c

targets/RT/USER/lte-softmodem.c

targets/RT/USER/lte-softmodem.h

targets/RT/USER/lte-ue.c

targets/RT/USER/lte-uesoftmodem.c

targets/RT/USER/rt_wrapper.c

targets/RT/USER/rt_wrapper.h

targets/RT/USER/ru_control.c